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Flauer
8 days ago
7

To solve the equation −x − 3 = x2 − 2x− 15, you could graph of the following system. y = −x − 3 y = x2 − 2x − 15 Use the graph o

f this system to identify all solutions of −x − 3 = x2 − 2x − 15. A. -7 B. -3 C. 0 D. 4

Mathematics
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What is 2 hundreds + 15 tens + 6 ones
tester [12383]
Two hundreds total 200.
Fifteen tens together make 150.
Six ones equals the same.
200 + 150 + 6 = 456
5 0
3 months ago
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A comic book store is having a sale you can buy 20 comic books for $35. what is the cost of 8 comic books during the sale
Leona [12618]

Response:

$14

Step-by-step explanation:

35 divided by 20 equals 1.75

8 multiplied by 1.75 results in 14

4 0
2 months ago
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A rectangular prism must have a base with an area of no more than 27 square meters. The width of the base must be 9 meters less
Leona [12618]

Answer:

The upper limit for the height of the prism is 12\ m

Step-by-step explanation:

Let

x------> represent the height of the prism

It is known that

the area of the base of the prism must not exceed

A=L*W

A\leq 27\ m^{2}

thus

L*W\leq 27 -------> inequality A

W=x-9 ------> equation B

L=W+6 -----> equation C

Insert equation B into equation C

L=(x-9)+6

L=x-3 ------> equation D

Substituting equations B and D into inequality A

(x-3)*(x-9)\leq 27-------> using a graphing tool to solve the inequality

The resultant solution for x lies in the interval---------->[0,12]

consult the attached figure

but bear in mind that

The width of the base must be 9 meters shorter than the height of the prism

thus

the solution for x is confined to the interval ------> (9,12]

The maximum height of the prism equals 12\ m

8 1
3 months ago
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in 2016 the world's oldest tree was 5066 years old write the number that is 100 more using number name
zzz [12365]

five thousand one hundred sixty-six

8 0
2 months ago
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Jane is one of 50 students to take a standardized math test that includes 100 multiple choice questions. If she has the highest
Svet_ta [12734]
Response: 87%
Solution:
87 correct answers out of 100 = 87/100 = 0.87 = (convert to percentage by shifting the decimal place two positions to the right) 87%
8 0
2 months ago
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