3 years ago

Ill mark brainlist plss help

Mathematics

1 answer:

kvasek [131]3 years ago

4 0

Answer:

since it is a estimate, the answer should be 30$

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- 8 - 7(2x + 3) = 3(1 - 10) simplified

Dmitry [639]

-15(2x + 3) = -27
5(2x + 3) = 9
10x + 15 = 9
10x = -6
x= 0.6

7 0

4 years ago

WILL GIVE BRAINLIST SOON AS I CAN I DONT UNDERSTAND THIS, PLZ HELP

allochka39001 [22]

Answer:

b = 7 $\sqrt{3}$

Step-by-step explanation:

Since the triangle is right use the tangent ratio to solve for b

and the exact value

tan30° = $\frac{1}{\sqrt{3} }$ , thus

tan30° = $\frac{opposite}{adjacent}$ = $\frac{7}{b}$ and

$\frac{7}{b}$ = $\frac{1}{\sqrt{3} }$ ( cross- multiply )

b = 7 $\sqrt{3}$

8 0

3 years ago

<img src="https://tex.z-dn.net/?f=%20%7B16%7D%5E%7B%20-%202x%7D%20%20%3D%2032" id="TexFormula1" title=" {16}^{ - 2x} = 32" alt=

Olegator [25]

Answer: x=−0.208333

Step-by-step explanation:

hope that helps enjoy

3 0

3 years ago

Below are two parallel lines with a third line intersecting them.

Basile [38]

Answer:

x=66⁰

Step-by-step explanation:

they are co interior angles,

180-114=66⁰

To check,

114+66=180

brainlist me?

8 0

3 years ago

Daca AB = 18cm DB = 12cm DE = 4cm si AE = 9cm, clalculati AD, BC, AC si EC?

zheka24 [161]

I got 43 as my answer hope this helps

5 0

4 years ago