PLEASE HELP WILL MARK AS BRAINLIEST EASY MATH

Mathematics

2 answers:

omeli [17]2 years ago

6 0

For number 5, because it says no more than, I pretty sure the answer is D

For number 6, I think the answer is A

Pachacha [2.7K]2 years ago

4 0

5. The answer is D
$s \leqslant 160$
because it says no more than 160 so it's possible to be equal to 160.

6.
$x + 7 > 2 \\ x > 2 - 7 \\ x > - 5$
So the answer is A

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At the Science Museum, there is an exhibition with 150 displays about energy.

tatuchka [14]

1/5

This is a matter of elimination. So let's figure out how many of each display there is. 30% of 150 = 0.30 * 150 = 45 displays about electricity. 2/5 * 150 = 0.40 * 150 = 60 displays about renewable energy 1/10 * 150 = 150/10 = 15 displays about gas. The rest of the displays are about nuclear power. So 150 - 45 - 60 - 15 = 30 displays about nuclear power. Since we want a fraction, we get 30/150 But 30/150 isn't in it's simplest form. The largest number that will evenly divide both 30 and 150 is 30. So divide both the numerator and denominator by 30 (30/30)/(150/30) = 1/5 So 1/5 of the displays are about nuclear power.

8 0

2 years ago

How do I find the y value for point I such that DI and EI form a 3:5 ratio.

liraira [26]

3:5 ratio mean there are 8 "parts" (3 + 5 = 8)

The distance between the x-coordinates is |-3 - 5| = 8.
So each "part" is 8/8 = 1 unit long in the x-direction.
You want I to be 3(1) = 3 units from D, so the x-coordinate of I is -3 + 3 = 0.

Same deal for y.
|2 - 5| = 3 is the distance between D and E
Each part is 3/8.
3(3/8) = 9/8
2 + 9/8 = 25/8

So the point I is (0, 25/8)

6 0

3 years ago

Read 2 more answers

8,9,8,11 Mean: Median: Mode: Range

Finger [1]

Mean: add all numbers together and divide by the amount of numbers there are.
8 + 9 + 8 + 11 = 36
36/4 = 9
mean = 9

Median: Find the middle number. Since in this case it has an even amount of numbers, add the two middle numbers and divide by 2
8 + 9 = 15
15/2 = 7.5
median = 7.5

Mode: The number that shows up the most
Mode = 8

Range: Subtract the smallest number from the largest number
11 - 8 = 3
Range = 3

hope this helps

7 0

2 years ago

Read 2 more answers

Dan earns $42.75 per month working as a tutor. He worked as a tutor for 4 months. He also earned $52.45 walking dogs in the neig

hjlf

Answer:

step 3

Step-by-step explanation:

in step 3, he wrote that the sum of 171+ 52.45-18.50 was 241.95 when it is 199.95

3 0

2 years ago

Two factors of 30 add up to 9. what are they?