2 years ago

Can someone make a question and give me brainliest so i can rank up

Mathematics

2 answers:

pav-90 [236]2 years ago

6 0

Answer:

I got u

Step-by-step explanation:

kvv77 [185]2 years ago

4 0

Answer: sure, guess the song Yeah, they told us that time flies

Didn't know what it means

Now I feel like we're just running around tryna

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What is -11 + 3(b + 5) = 7

IRISSAK [1]

Answer:

b=1

Step-by-step explanation:

$\sf -11 + 3(b + 5) = 7$

First, let's regroup, terms,

$\sf 3(b+5)-11=7$

Add 11 to both sides,

$\sf 3(b+5)=7+11$

Simplify, 7+11 = 18,

$\sf 3(b+5)=18$

Now, divide both sides by 3,

$\sf b+5=\frac{18}{3}$

Simplify, 18/3 = 6,

$\sf b+5=6$

Subtract 5 from both sides,

$\sf b=6-5$

$\sf b=1$

Hope it helps! :)

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2 years ago

Use any method to multiply (3a + 2b – c)(a – b + 2c).

umka21 [38]

Answer:

3a2 – 2b2 – 2c2 – ab + 5ac + 5bc

$(3a + 2b - c)(a - b + 2c) \\ = (3 {a}^{2} - 3ab + 6ac + 2ab - 2 {b}^{2} + 6bc - ac + bc - 2 {c}^{2} ) \\ = 3 {a}^{2} - ab + 5ac - 2 {b}^{2} + 5bc - {2c}^{2} \\ = 3 {a}^{2} - 2 {b}^{2} - {2c}^{2} - ab + 5ac + 5bc$

4 0

2 years ago

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Please help me I will give 12 points

olga2289 [7]

Answer:

5/8

Step-by-step explanation:

=3/8×5/3

=5/8

Hope this helps u....

8 0

2 years ago

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Solve : 3x - 3 = 2x if you can show workings that would be great thank you !

Diano4ka-milaya [45]

Answer:

Step-by-step explanation:

3x-3=2x

3x-2x=3

x=3

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2 years ago

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What is the measure of ZA? 100" A. 30 B. 50° C. 70° D. 130°

dmitriy555 [2]

Answe is B: 50
It needs to equal 180 so
100+30=130
180-130=50

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2 years ago