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Solnce55 [7]
2 years ago
14

If someone can solve this i will give brainliest

Mathematics
1 answer:
bezimeni [28]2 years ago
7 0

Answer:

f(-7)= -21

f(13)= 99

Step-by-step explanation:

Find f(-7) and f(13) using this equation f(x)=3(2x+7).

To find f(-7) plug in -7 into all the x values in the equation.

f(-7)=3(2(-7)+7)

Multiply 2 and -7.

f(-7)=3(-14+7)

Add -14 and 7.

f(-7)=3(-7)=-21

For f(13) plug in 13 to all the x values.

f(13)=3(2(13)+7)

Multiply 2 and 13.

f(13)=3(26+7)

Add 26 and 7.

f(13)=3(33)=99

Hope this helps!

If not, I am sorry.

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Lynna [10]

Answer:

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Step-by-step explanation:

8 0
4 years ago
onji has $5.25 in nickels and dimes.The coin value can be modeled by the equation 0.10d + 0.05n = 5.25, where d represents the n
Maru [420]
This is how you solve this problem:
.10d + .05n = 5.25

(plug in the number of dimes we have)

(21 x .1) + .05n = 5.25

(multiply number of dimes x value of the dime)

2.10 + .05n = 5.25

(subtract 2.10 from both sides)

.05n = 3.15

(divide both sides by .05 to get the number of nickels)

n = 63 nickels

Hope this helps!

3 0
3 years ago
PLEASE ANSWER HONESTLY (PLEASE BE HELPFULL I HAVE BEEN STUCK ON THIS PROBLEM) WILL MARK BRANIEST IF CORRECT. (no links my comput
motikmotik

Step-by-step explanation:

o2+a2=h2

100} h^{2}=(10ft)^{2} +(17ft)^{2}

h2=100ft2+289ft2

h=389ft2−−−−−√

→19.7ft

this is an example on how to do it

8 0
3 years ago
What is the measure of X? <br> angles are not necessarily drawn to scale
Schach [20]

Answer:

xº=71º

Step-by-step explanation:

Take the triangle BDH

Once the sum of interior angles of a triangle is 180º:

40º+31º+yº=180º

71º+yº=180º

yº=109º

Once yº and xº are supplementary angles (add up to 180º):

yº+xº=180º

109º+xº=180º

xº=71º

5 0
3 years ago
5. Point A is 3 units directly below (2, 2). What are the coordinates of point A? Answer: Point A (___)​
fiasKO [112]
A is (2, -1)

The X axis will not change since A is not going left or right of (2,2). You would count down 3 spaces for the y-axis and that would land you at -1 or you could solve by subtraction.

2-3= -1
3 0
1 year ago
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