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Colt1911 [192]
2 years ago
13

Direct variation equation if f(x) varies directly with x and f(x)=-18 when x=3

Mathematics
1 answer:
JulsSmile [24]2 years ago
5 0
F(x)=-6x
Work:
-18÷3=-6
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I need help pls and thank you...
lapo4ka [179]

Answer:

AB = 32

Step-by-step explanation:

Since line l bisects AB at point M, we have AM = MB.

4x = 5x - 4

4x + 4 = 5x

x = 4

AM = 4(4) = 16, MB = 5(4) - 4 = 16.

So AB = AM + MB = 16 + 16 = 32.

7 0
1 year ago
The diagram represents a reduction of a triangle by using a scale factor of 0.8.
Alekssandra [29.7K]

Answer:

4.8 inches

Step-by-step explanation:

<em>See comment for complete question</em>

Represent the larger triangle with 1 and the smaller with 2.

So, we have:

H_1 =6\ in -- height of 1

Required

Determine H2 --- Height of 2

To do this we apply dilation formula.

Original * Scale\ Factor = New

In this case:

H_1 * Scale\ Factor = H_2

Substitute 6 for H1 and 0.8 for Scale Factor

6* 0.8 = H_2

4.8= H_2

Hence, the height of the smaller triangle is 4.8 inches

3 0
3 years ago
Andrew paid $10 for a burger. The burgers went in sale and there was a discount of 20%. What was the sale price of the burgers?
Viktor [21]
First you need to find the amount of money the discount decreased.
10(0.2)=2
Then, in order to find the sale price you need to subtract the discount price from the original price of the burger.
10-2=8
Answer: $8
6 0
3 years ago
Please help me write this equation​
tatuchka [14]
The answer is, y = -1/3 - 3
5 0
3 years ago
Find the slope from the points given: <br> (18, -5), (18, 20)
Ivahew [28]

Answer:

UNDEFINED

Step-by-step explanation:

change in y over the change in x is how you'd find slope, however, x is the same in both of these, making this a limitation not an equation, therefore the slope is undefined 18-18 = 0 -> Anything divided by zero as a slope is undefined.

3 0
3 years ago
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