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2 years ago

Help!!!! 100 POINTS (FIRST CORRECT ANSWER GETS BRAINLIEST)

Mathematics

1 answer:

sashaice [31]2 years ago

8 0

Answer:

14x+4

Step-by-step explanation:

5x+5x+2x+2x+3+3-1-1

5x+5x+2x+2x=14x

3+3-1-1=4

14x+4

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Lin earned $50 last week. Andre earned 80% of what Lin earned. How much did Andre earn last week? *

DaniilM [7]

Answer:

$40

Step-by-step explanation:

Turn the percentage into a decimal.

80% = 0.8

Multiply.

50 * 0.8 = 40

Best of Luck!

5 0

2 years ago

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I need help, -3x+9+4x=10 just wondering if the answer is X=1

enyata [817]

Answer:

it's correct good job :)

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2 years ago

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Suppose a triangle has 2 sides of length 3 and 4 and that the angle between these two sides is 60 degrees. what is the length of

shusha [124]

Answer:

$\boxed{b.\:\:\:\sqrt{13}}$

Step-by-step explanation:

Let the third side of the triangle be $h\: units$ .

We can apply the cosine rule to find $h$ .

$h^2=3^2+4^2-2(3)(4)\cos(60\degree)$

We evaluate to obtain;

$\Rightarrow h^2=9+16-24(\frac{1}{2})$

$\Rightarrow h^2=25-12$

$\Rightarrow h^2=13$

We take the positive square root of both sides to obtain;

$\Rightarrow h=\sqrt{13}$

The correct answer is B.

8 0

3 years ago

Help please! Thankyou

Soloha48 [4]

Answer:

Thus, option A is correct.

Explanation:

<u>match the proportions</u>

$240,000 → 60%

x → 100%

<u>set up a equation:</u>

$\sf \dfrac{60}{100} = \dfrac{240,000}{x}$

$\sf x = \$400,000$

4 0

2 years ago

Hi 10 +10 here is me question help

xenn [34]

Answer:

$\huge\red{\boxed{\mathfrak{Hello}}}$

$\huge \fbox \pink {A}\huge \fbox \green {n}\huge \fbox \blue {s}\huge \fbox \red {w}\huge \fbox \purple {e}\huge \fbox \orange {r}$

$10 + 10 \\ = 20$

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3 years ago

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