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Oksi-84 [34.3K]
3 years ago
8

Q # 1 please solve the equation

Mathematics
2 answers:
zepelin [54]3 years ago
6 0
The answer is 60 The answer is 60.
Bogdan [553]3 years ago
5 0
This is an exam! You are not supposed too cheat! >:O
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Find the value of<br> 3a²-4ab-26² when A= -1 and b-4
nata0808 [166]

Answer:

-657

Step-by-step explanation:

a= -1\\b= 4\\

Substituting the value of a and b

3a^{2}-4ab-26^{2}  \\3(-1)^{2} -4(-1)(4)-676\\3-4(-4)-676\\3+16-676\\19-676\\-657

The value of    3a²-4ab-26²  is -657

4 0
3 years ago
The polynomial x 3 + 5x 2 - ­57x -­189 expresses the volume, in cubic inches, of a shipping box, and the width is (x+3) in. If t
Ipatiy [6.2K]
V=x^3+5x^2-57x-189
Width: W=(x+3) in = 15 in →x+3=15
Solving for x:
x+3-3=15-3→x=12

With x=12 the Volume would be:
V=(12)^3+5(12)^2-57(12)-189
V=1,728+5(144)-684-189
V=1,728+720-684-189
V=1,575

V=W*D*H
Depth: D
Height: H
with H>D

V=1,575; W=15
Replacing in the equation above:
1,575=15*D*H
Dividing both sides by 15
1,575/15=(12*D*H)/15
105=D*H
3*5*7=D*H
D<H
If D=5→H=3*7→H=21
If D=7→H=3*5→H=15

Answer: Option <span>C. height: 21 in. depth: 5 in.
</span>
Please, see the attached file for another form to solve the problem

4 0
3 years ago
Read 2 more answers
Give three ratios equivalent to 9:5
Bumek [7]
1. 18:10
2. 27:15
3. 36:20
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3 years ago
The surface of the ground at Drake's well is 1,200 ft above sea level. To reach oil, Drake first drilled through gravel to a poi
Aneli [31]

Answer:

1176

Step-by-step explanation:

All you have to do is add 1168 plus 38 would be 1176.

3 0
3 years ago
Find the common ratio of the geometric sequence shown below:<br>-64, 16, - 4,1,-1​
Mama L [17]

Answer

Divide each number by -4

Step-by-step explanation:

7 0
3 years ago
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