Please help
David has scored 86, 70, 79, 90, and 85 on his previous five tests. What score does he need on his next test so that his average (mean) is 84

Answers

Answer 1
(86 + 70 + 79 + 90 + 85 + x)/6 = 84
Multiply 6 to both sides and then add everything together and then subtract i from the multiplied 86 which will get you 94.
Answer: 94

Related Questions

Name a pair of vertical angles

Answers

Answer:

Angle 2 and Angle 4 are vertical angles

Angle 2 and angle 4

The measures of the angles of a triangle are shown in the figure below. Solve for x.

Answers

Answer:

x = 57

Step-by-step explanation:

Angles of a triangle all add up to 180 so:

x + 78 + 45 = 180

x + 123 = 180

x = 180 - 123

x = 57

Help me solve this!Merçi!​

Answers

I’m assuming this is 0.009 + 0.012, and expressing in standard form. Sorry picture isn’t very clear.
Adding the two, you’ll get: 0.021
And then expressing in standard form:
2.1 * 10^-2 or 2.1/10^2

Kristen is jogging in a straight line. She got a head start of 7 meters from the starting line, and she ran 2 meters every 9 seconds. After how many seconds will Kristen be
11 meters away from the starting line?

Answers

Answer:

18 seconda

Step-by-step explanation:

Find the surface area of each figure.

Answers

Answer:

1=21yds. 2.=16m 3.=16ft 4.=3cm

Find the arc length of the shaded arc below

Answers

Answer:

6.123

Step-by-step explanation:

I found it is 6.123

If the bill for dinner at a restaurant is $65.00, what is the total bill with a 15% tip?​

Answers

Answer:

$74.75 is the total bill.

The answer would be $83.18 in U.S. Dollars.

65. 00 + 15% ($18.18) = $83.18

Evaluate the expression for the given value of each variable.
5a^{2}+ 4b^{3}, when a = 3 and b = 2

Answers

I believe the answer should be 77

What's the distance between (5, 13) and (9, 1)

Answers

Answer: 16

Step-by-step 8+8

A box contains 2 blue markers, 5 green markers, and 3 yellow markers. What is the probability of drawing a blue marker, replacing it, then drawing a yellow marker?

Write as a fraction in simplest form

Answers

Answer:

Hii, I think the answer 1/10 sowwie I'm wrong..

Step-by-step explanation:

A cheese wheel has a radius of 4 in. What is the circumference of the wheel? Round your answer to the nearest hundredths.

Answers

Step-by-step explanation:

[tex]2 \times \frac{22}{7} \times 4 \\ [/tex]

[tex] \frac{11}{7} \times 4[/tex]

[tex] \frac{44}{7} [/tex]

Answer:

12.36

Step-by-step explanation:

use your brain

How far apart are the points (0,-1) and (6,5)?

Answers

Answer:

(6, 6)

Step-by-step explanation:

Answer:

The distance is 8.4853

Step-by-step explanation:

Input Data :

Point 1 (xA, yA) = (0, -1)

Point 2 (xB, yB) = (6, 5)

Objective :

Find the distance between two given points on a line?

Formula :

Distance between two points = √(xB − xA) ^ 2 + (yB − yA) ^ 2

Solution :

Distance between two points = √ (6 − 0)^2 + (5− −1) ^ 2

= √6^2 + 6^2

= √36 + 36

= √72

= 8.4853

Distance between points (0, -1) and (6, 5) is 8.4853

hope this helps and is right :)

Classify this triangle by its sides and angles.

Answers

Answer:

acute and scalene triangle ig

Answer:

Obtuse and Scalene.

Step-by-step explanation:

We know its scalene because each side is a different length. We also know that its an obtuse triangle by looking at it and understanding that 1 of the angles is larger than 90˚, making it obtuse.

OK YA I NEED HELP PLS

Answers

Answer:

HI

Step-by-step explanation:

hihihihihihihihihihihi

What is the value of y when x= -1 ?

Answers

Answer:

If y = x then when x = -1 then y = -1

Step-by-step explanation:

Guys help don't have enough time left. This can really effect everything if this is correct so try your best.

Answers

Answer: 180

Step-by-step explanation:

Answer: 180ft^3

Step-by-step explanation:

whats 36 x 25? A.800 B.500 C.300 D.900 this is only for someone to get brainliest.

Answers

Answer:

It would be 900

Step-by-step explanation:

I hope this helps!

Answer:

The answer is 900(D).......

A researcher wants to see if a kelp extract helps prevent frost damage on tomato plants. One hundred tomato plants in individual containers are randomly assigned to two different groups. Plants in both groups are treated identically, except that the plants in group 1 are sprayed weekly with a kelp extract, while the plants in group 2 are not. After the first frost, 12 of the 50 plants in group 1 exhibited damage and 18 of the 50 plants in group 2 showed damage. Let p1 be the actual proportion of all tomato plants of this variety that would experience damage under the kelp treatment, and let p2 be the actual proportion of all tomato plants of this variety that would experience damage under the no-kelp treatment. Is there evidence of a decre

Answers

Complete question is;

A researcher wants to see if a kelp extract helps prevent frost damage on tomato plants. One hundred tomato plants in individual containers are randomly assigned to two different groups. Plants in both groups are treated identically, except that the plants in group 1 are sprayed weekly with a kelp extract, while the plants in group 2 are not. After the first frost, 12 of the 50 plants in group 1 exhibited damage and 18 of the 50 plants in group 2 showed damage. Let p1 be the actual proportion of all tomato plants of this variety that would experience damage under the kelp treatment, and let p2 be the actual proportion of all tomato plants of this variety that would experience damage under the no-kelp treatment. Is there evidence of a decrease in the proportion of

tomatoes suffering frost damage for tomatoes sprayed with kelp extract? To determine

this, yo u test the hypotheses H0: p1 = p2, Ha: p1 < p2. The p - value of your test is

A) greater than 0.10.

B) between 0.05 and 0.10.

C) between 0.01 and 0.05.

D)between 0.001 and 0.01.

E) below 0.001.

Answer:

B) between 0.05 and 0.10.

Step-by-step explanation:

We are given;

Number of plants in group that exhibited damage = 12

Number of group 1 plants; n₁ = 50

Number of plants in group 2 that exhibited damage = 18

Number of group 2 plants; n₂ = 50

Proportion of plants in group 1 that exhibited damage; p₁^ = 12/50 = 0.24

Proportion of plants in group 2 that exhibited damage; p₂^ = 18/50 = 0.36

Pooled proportion; p¯ = (12 + 18)/(50 + 50) = 0.3

q¯ = 1 - p¯

q¯ = 1 - 0.3 = 0.7

Z-score will be;

z = ((p₁^ - p₂^) - 0)/√((p¯•q¯)×((1/n₁) + (1/n₂))

Plugging in the relevant values;

z = (0.24 - 0.36)/√((0.3 × 0.7) × ((1/50) + (1/50))

z = -0.12/0.092

z = -1.3

From z-distribution table attached, we have;

p-value = 0.0968

Correct answer is option B.

Parallel lines G and H are shown in one grid and parallel lines K and J are shown on the other grid

please help

Answers

9514 1404 393

Answer:

  B  reflected over y, translated up

Step-by-step explanation:

The left-right reversal means there was a reflection over a vertical line. The only one among the offered choices is the y-axis.

If the lines are reflected over the y-axis, the points on the y-axis don't move. The intercepts would still be 2 and 5 after the reflection.

However, the y-intercepts have moved up 3 units to 5 and 8.

  Lines g and h were reflected over the y-axis and translated up 3 units.

Please help!!!!!
Can someone please help me with this question.
The answer choices are in the picture right along with the question.
I will mark the first person brainliest if they answer with an actual answer not a link.

Answers

Answer:

The best answer is A.

Step-by-step explanation:

The sum of two numbers is -4.5. Six less than twice the value of the first number is equal to the second number. Find the numbers.

Answers

Answer:

first is 3.5, second is 1

Step-by-step explanation:

-4.5 = x + 2x - 6

-4.5 - 6 = 3x

10.5 = 3x

10.5/3 = x

3.5 = x

2(3.5) - 6

7 - 6

1

Find the missing side lengths. Can someone help me please

Answers

Those should be your answers I’m pretty sure

Susie has a cylindrical candle mold with a height of 10 inches and a radius of 5 inches. Find the volume of the candle in terms of
7T

Answers

8T is the answer for your question

Determine the coordinates of the midpoint M of line segment AB, formed by connecting points A(1.5, 3.2) and B(2.7, -6.8). In other words, determine the coordinates of point M that lies exactly halfway between points A and B.

Will give brainliest to the correct and legitimate answer

Answers

Answer:

bx + 526

Step-by-step explanation:

Im smart have a nice day

Why do viruses spread more easily now than a long time ago?

Answers

Viruses spread more easily now than a long time ago due to the fact that people didnt care about the current virus. They stopped wearing masks, which started to bring more, colds, sickness, and viruses, and now, people are spreading viruses faster than before.

What is the median for the following set of data? 5, 7, 9, 11, 13, 13 8 9 10 11​

Answers

Answer:

median is 10

Step-by-step explanation:

5,7,9,11,13,13

Answer:

Median is 10

Step-by-step explanation:

I did it

I will give you BRAINLIEST for the correct answer

Answers

Answer:

a or b

Step-by-step explanation:

if I did the math right it's a but I tried another way and got b, so I'm sorry if that was no help at all

Step-by-step explanation:

If you realise, the quadrilateral is made up of 2 triangles,

therefore the area = 2 x 1/2 x base x height

[tex] = 2 \times \frac{1}{2} \times 12 \times 4 \\ = 12 \times 4 \\ = 48 {units}^{2} [/tex]

what does x equal to in this problem

Answers

Using the triangle, we can find the angle lengths and using those and trig ratios, find the side lengths. Lets say the top side length is "y".

Using the Law of triangles, we can find the missing angle from 180-90-70=20 deg.

Then we can use the Law of sines,

sin(70)/13=sin(20)/y

y=sin(20)*13/sin(70)

y=15.34

Finally, we use the Pythagorean Theorem, (13)^2+(15.34)^2=x^2

x = 20.1

------------

20.1

----------

Find the 50th term of this arithmetic sequence
6, 13, 20, 27 ...​

Answers

Answer:

349

Step-by-step explanation:

[tex]a_{n} = a_{1} + (n - 1)d[/tex]

n = 50   [tex]a_{1}[/tex] = 6    d = 13 - 6 = 7

[tex]a_{50}[/tex] = 6 + (50 - 1)(7)

    = 6 + 49(7)

   =  6 + 343

   = 349

Answer:

formula as mentioned above...

Step-by-step explanation:

N=50,a=6,d=difference between no. that is 8

so,

x50=6+8(50-1)

x50=6+8(49)

x50=6+392=398 Answer

hope it helps....

please write 50 on the correct position of N as drawn in picture

Find m< Tin degrees for Kite RSTU, if m< R = 130° and m< S = 75°.

Answers

Answer:

Step-by-step explanation:

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