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Slav-nsk [51]
2 years ago
11

What is the value of the function y 2x – 3 when x = -5? A -5 B -1 C 2 D 3

Mathematics
2 answers:
aleksklad [387]2 years ago
5 0

Answer:

The answer is -1 (B)

Nutka1998 [239]2 years ago
5 0

Answer:

The answer is -1 (B)

Step-by-step explanation:

Have a good day :)

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The difference of two numbers is 3. their sum is 13. find the numbers. creater the system and solve
erica [24]
Hey there :)

Let us translate the words into mathematics!

The difference of 2 numbers is 3
x - y = 3

The sum of 2 numbers is 13
x + y = 13

(eq. 1) x - y = 3
(eq.2) x + y = 13
eq. 1 + eq.2 ⇒ x - y = 3
                     + x + y = 13   ( -y and +y cancels out )
                       2x = 16
                        \frac{2x}{2} = \frac{16}{2}
                       x = 8

We have the value of x, simply substitute it in either of the formulae to find y

x - y = 3 , 8 - y = 3 , 8 - 3 = y , 5 = y
x + y = 13 , 13 - 8 = y , 5 = y

x = 8 , y = 5



8 0
3 years ago
Find the volume of this triangular prism.<br> 6 cm<br> 7 cm<br> 10 cm
Katena32 [7]

Answer:

L×W×B

10×7×6

=420cm of triangular prism

4 0
2 years ago
THe question asked what is 0.35 written as a ratio?
Masja [62]
Step 1: 0.35 = 35⁄100 
Step 2: Simplify 35⁄100 = 7⁄20
answer: 7/20
5 0
3 years ago
Decimal work<br><br> 4.5 divided by 0.56<br><br> (brainliest if you get it right)
fredd [130]

Answer:

8.03 or 8.035714 and some other numbers that i cant bother to write out. also as a fraction it would be 803/100

7 0
3 years ago
Read 2 more answers
Y=-3x + 6
slamgirl [31]

Answer:

(-1, 9)    (he x value is placed first).

Step-by-step explanation:

y = -3x + 6

y = 9

Substitute y = 9 into the first equation:

9 = -3(x) + 6

-3x = 9 - 6

-3x = 3

x = -1.

5 0
3 years ago
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