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sweet [91]
3 years ago
7

Find the value of

Mathematics
1 answer:
Likurg_2 [28]3 years ago
8 0
F(-9)
f(x)=-5x-2
     =-5(-9)-2
     =45(-2)
     =90
g(-2)
g(x)=3xsquared-21x
      =3(-2squared)-21(-2)
      =3(4)+42
      =12+42
      =54
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5. It is known that AABC = ADEF. If AB = 5, BC = 10, AC = 8, and DF = 2x-6, then solve for the value of
lorasvet [3.4K]

Answer:

The value of x is 7

Step-by-step explanation:

we know that

If two figures are congruent, then the corresponding angles and the corresponding sides are equal

In this problem

Triangles ABC and DEF are congruent

ABC≅DEF

therefore

AB=DE ----> equation A

AC=DF ----> equation B

BC=EF ----> equation C

Substitute the given values in the equation B

8=2x-6

Solve for x

2x=8+6

2x=14

x=7

therefore

The value of x is 7

The draw in the attached figure

3 0
3 years ago
Help me answer this question
Ne4ueva [31]

Answer:

Volume=24+192=216

Step-by-step explanation:

Pink Rectangle:

LxWxH

3x1x8

3x8

24

24+192=216

Hope this helps!

5 0
2 years ago
I need help on 19 and 20. Please help me. Please don’t put a link. Please help me.
lianna [129]

Answer:

19:

4  <   third side    <   14  

20:

3  <   third side    <   13  

Step-by-step explanation:

hint: go to http://www.17 28.org/trianinq.htm

(fix the space between 17 and 28)

you're welcome xx

6 0
2 years ago
True or False: y = -3x + 4 is an equation that represents a line parallel to the line 3x + 2y = 9.
nevsk [136]
False
 uiergujhgbsegbsi;gs io rgoirti; erio;terh i  ioer;te ith hirh;;
8 0
3 years ago
Read 2 more answers
What 8(9+16) plz i need help
Fynjy0 [20]
I think it would be 8*9+8*16 which would be 72+128= 200

3 0
3 years ago
Read 2 more answers
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