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MatroZZZ [7]
2 years ago
6

Number 15 asap please

Mathematics
1 answer:
r-ruslan [8.4K]2 years ago
8 0
18 + 32 - 27
=23

Therefore the anwers for this is 23
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Please Help!!<br><br> Use the graph of the equation to solve: -2x - 5 = 3
abruzzese [7]

Answer:

x = -4

Step-by-step explanation:

-2x - 5 = 3

Add 5 to both sides

-2x - 5 + 5 = 3 + 5

Simplify

-2x = 8

Divide both sides by -2

-2x/-2 = 8/-2

Simplify

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3 0
3 years ago
R varies directly as s. Find r when s=10 and k=4
nadezda [96]

Step-by-step explanation:

Since, r varies directly as s

\therefore \: r \:  \:  \alpha \:  \: s \\  \therefore \: r  = k s..(1) \:  \\ (k =  \: constant \: of \: proportionality ) \\ plug \: s = 10 \: and \: k = 4 \:  in \: equation \: (1) \\ r = 4 \times 10 \\ \huge \red{ \boxed{ \therefore \: r  =40}}

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3 years ago
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Determine if the two triangles are congruent.If they are state how you know
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Answer:

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3. yes, congruent sides and angle

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6. yes, 2 congruent angles

7. no, only one congruent angle not enough proof

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2 years ago
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Luba_88 [7]

12) 4x- y=8

5x+y=1

Correct.

4 0
3 years ago
Solve for x using<br> cross multiplication.<br> X + 8<br> -<br> 3x – 2<br> 8<br> 3<br> x = [?]
lina2011 [118]

Answer:

I love algebra anyways  

the ans is in the picture with the steps  

(hope it helps can i plz have brainlist :D hehe)

Step-by-step explanation:

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3 years ago
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