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2 years ago

6

Mathematics

1 answer:

GalinKa [24]2 years ago

3 0

Answer:

I don't know sorry

sorry

Step-by-step explanation:

I don't know sorry

sorry

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(4x + 4) (5x + 2) =

kirill115 [55]

Answer:

Step-by-step explanation:

20x^2+28x+8

4 0

3 years ago

Read 2 more answers

The variables x and y have a proportional relationship: when x is 5, y is 8.

Alenkasestr [34]

Answer:

1.6

Step-by-step explanation:

Since y = 8

And x = 5,

You divide both values by the X Value

8 divided by 5 = 1.6

5 divided by 5 = 1

the ratio is 1:1.6

So the constant is 1.6

6 0

2 years ago

Can someone help me.

Alex

I’m sorry I don’t know

3 0

2 years ago

jane drove 50 miles more then her husband jim. the total distance traveled was 230 miles. find the number of miles that each of

jek_recluse [69]

Answer:

115

Step-by-step explanation:

You divide 230 by 2 cause there are two peoples. I hope that helps :)

6 0

3 years ago

Little help please? and thank you

Aneli [31]

Answer:

45.7

Step-by-step explanation:

Hello there!

We can calculate the missing angle using trigonometry

here are the trigonometric ratios

sin = opposite over hypotenuse

cos = adjacent over hypotenuse

tan = opposite over adjacent

We are given x's opposite side length (8) and x's adjacent side length (7.8)

we are given the information to use the trigonometric ratio tangent

so now we create an equation (remember tan - opposite over tangent)

$tan(x)=\frac{8}{7.8}$

now we solve for x

$\frac{8}{7} =1.025641026$

we're left with

$tan(x) =1.025641026$

finally we want to get rid of the tan

To do so we take the inverse of tan (arctan^-1) and apply it to each side

$arctan^-^1tan(x)=x\\arctan^-^1(1.025641026)=45.7252243$

so x = 45.7252243

finally we round to the nearest tenth and get that the answer is

45.7

4 0

2 years ago