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12345 [234]
3 years ago
5

Type using number words. (Remember to use a hyphen in your answer where needed.) 355

Mathematics
1 answer:
Stolb23 [73]3 years ago
7 0
Three hundred- fifty- five

Reason; number words refer to the alphabetical form of numbers.
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Mrs. Simpson drove 105 miles in 2 1/2 hours. What was Mrs. Simpson's average speed in miles per hour?
harkovskaia [24]
105 m = 2.5 h
 
x miles = 1 hour

You cross multiply since it's a proportion:
2.5 * x
105 * 1

=

2.5x = 105

Then you divide everything by 2.5

The answer is 42




5 0
3 years ago
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Enter the exact product of 5.21 •7.3.
frez [133]

Answer:

3.033

Step-by-step explanation:

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After being rearranged and simplified, which of the following equations could be solved using the quadratic formula?
Alecsey [184]

For this case we must indicate which of the equations shown can be solved using the quadratic formula.

By definition, the quadratic formula is applied to equations of the second degree, of the form:

ax ^ 2+ bx+ c = 0

Option A:

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Rewriting we have:

2x ^ 2-3x-2x+ 10-21 = 0\\2x ^ 2-5x-11 = 0

This equation can be solved using the quadratic formula

Option B:

2x ^ 2-6x-7 = 2x ^ 2

Rewriting we have:

2x ^ 2-2x ^ 2-6x-7 = 0\\-6x-7 = 0

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Option C:

5x ^ 2 + 2x-4 = 2x ^ 2

Rewriting we have:

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This equation can be solved using the quadratic formula

Option D:

5x ^ 3-3x + 10 = 2x ^ 2

Rewriting we have:

5x ^ 3-2x ^ 2-3x + 10 = 0

It can not be solved with the quadratic formula.

Answer:

A and C

4 0
3 years ago
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5/10 points, 1 question ( no rude answers )
bagirrra123 [75]
The answer is b because all the points lie on the graph
3 0
3 years ago
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A garden table and a bench cost $827 combined. The garden table costs $77 more than the bench. What is the cost of the bench?
shusha [124]
$336.50 you have to divide then add
4 0
3 years ago
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