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lara [203]
3 years ago
15

What is the value of -2(5) + 3?

Mathematics
2 answers:
pantera1 [17]3 years ago
4 0
Answer is -7

-2(5)+3
-10+3
-7

Hope it helps
r-ruslan [8.4K]3 years ago
4 0

Answer:

-2 (5) + 3

- 10 + 3

= -7

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Im having a mental breakdown can someone please just do this for me
topjm [15]
The slopes of the original function y = |x| are m = 1 and m = -1 (m is the variable used to represent slope).

when you add a coefficient (number) in front of |x|, it will either make the slopes steeper or more flat. the larger the value of the coefficient, the steeper the slope will be (vice versa for a coefficient smaller than 1, which would make the slope more flat than the parent(original) function).

because these are absolute value functions, they will have two slopes. one slope for the end going up from left to right, and one for the end going down from left to right. this means that one slope must be positive and the other slope must be negative for each function.

with this in mind, the slopes of y = 2|x| are m = 2 and m = -2. the coefficient of 2 narrows the function by a factor of 2 (it is twice as narrow as the parent function). the same rules apply to y = 4|x| with the slopes of this function as m = -4 and m = 4 (it is 4 times narrower than the parent function).

with the fraction coefficients, the function is being widened. therefore, the slopes of y = 1/2 |x| are m = -1/2 and m = 1/2. the slopes of y = 1/5 |x| are m = -1/5 and m = 1/5.
6 0
2 years ago
Solve using any method.
Mkey [24]
Fourth one since x is 2 and the y is 1
5 0
3 years ago
Please may somebody explain how to do the question below.<br><br> Thanks
ryzh [129]

Answer:

Step-by-step explanation:

e

4 0
2 years ago
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Maths pi question. SEE ATTACHMENT
adelina 88 [10]

Answer:

r = 6cm

Step-by-step explanation:

The area of a circle is given by

A = pi r^2 where r is the radius

36 pi = pi r^2

Divide each side by pi

36 pi/pi = pi r^2/ pi

36 = r^2

Take the square root of each side

sqrt(36) = sqrt(r^2)

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The radius is 6 cm

r = 6cm

8 0
3 years ago
Read 2 more answers
Can anyone help me with this?
Lana71 [14]
216 / 48 = 4.5 hours
return
216 / 54 = 4 hours

total 4.5 + 4 = 8.5 hours

answer
B. 8.5 h
8 0
3 years ago
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