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VikaD [51]
2 years ago
9

Help me with a question?

Mathematics
1 answer:
kherson [118]2 years ago
7 0

Answer:

B

Step-by-step explanation:

y = mx + b

The slope is m.

If it was anything other than 0, the line would have an x in it. The line does not have an x associated with it.

The equation of the line is y = 1

The slope must be 0.

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The ratio of Holly's age to that her aunt is 4:9. When holly was born her aunt was 15 years old. How old is holly's aunt now?
Lyrx [107]

Answer:

27 years

Step-by-step explanation:

Let Holly's age be h and Aunt's age be a. We can setup 2 equations and solve.

1. \frac{h}{a}=\frac{4}{9}

2. a - 15 = h

We can plug in equation 2 into equation 1 to solve for aunt's age:

\frac{h}{a}=\frac{4}{9}\\\frac{a-15}{a}=\frac{4}{9}\\9(a-15)=4a\\9a-135=4a\\5a=135\\a=\frac{135}{5}=27

Holly's aunt's age is 27

3 0
3 years ago
If C(x) = 4x^2 - 3, find the following<br> (a) C(0)<br> (b) C (-1)<br> (c) C (-2)<br> (d) C (-3/2)
NeTakaya

Step-by-step explanation:

C(x)=4x^2-3\\\\C(0),\ C(-1),\ C(-2),\ C\left(-\dfrac{3}{2}\right)\\\\\text{Substitute each value}\ \left\{0, -1, -2, -\frac{3}{2}\right\}\ \text{instead}\ C(x):\\\\C(0)=4(0^2)-3=4(0)-3=0-3=-3\\\\C(-1)=4(-1)^2-3=4(1)-3=4-3=1\\\\C(-2)=4(-2)^2-3=4(4)-3=16-3=13\\\\C\left(-\dfrac{3}{2}\right)=4\left(-\dfrac{3}{2}\right)^2-3=4\left(\dfrac{9}{4}\right)-3=9-3=6

3 0
3 years ago
30 points for whoever gets it right! !!
kramer
3)
GCF of 18 and 22 is 2
GCF of 25 and 50 is 25
GCF of 54 and 36 is 18
GCF of 40 and 8 is 8
GCF of 16 and 24 is 8
4) 
GCF of 10 and 15 is 5
GCF of 24 and 30 is 6
GCF of 8 and 10 is 2
GCF of 5 and 24 is 1
GCF of 24 and 40 is 8
5)
GCF of 8 and 12 is 4
GCF of 15 and 4 is 1
GCF of 20 and 4 is 4
GCF of 3 and 24 is 3
GCF of 12 and 4 is 4
6) 
GCF of 15 and 2 is 1
GCF of 12 and 30 is 6
GCF of 4 and 30 is 2
GCF of 6 and 40 is 2
GCF of 10 and 2 is 2
6 0
3 years ago
Two Trends pay the restaurant bill in the ratio of 16:4. If more paying friend pays
Inessa05 [86]

Answer:

Cici O i itcivouvitci cc tfurx

Step-by-step explanation:

vhihciycyivovitcu

8 0
3 years ago
What is it called in cubic inch of a cylinder with a height of 4in and a base radius of 5in to the nearest tenths place?
Maru [420]

Answer:

1,256.8in

Step-by-step explanation:

Given data

Height h =4in

Radius r= 5in

The expression for the volume of cylinder is

V=πr²h

Substitute

V=3.142*4²*5

V=3.142 *16*25

V=1,256.8in³

6 0
3 years ago
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