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ExtremeBDS [4]
2 years ago
13

Pleaseeee helpppp it’s due in 6 minutes helpp!! Explain

Mathematics
2 answers:
artcher [175]2 years ago
3 0

Answer:

I might be wrong but since ur in a rush: 173

Step-by-step explanation:

alekssr [168]2 years ago
3 0

Answer:

287.25 miles in 5.75 hours

Step-by-step explanation:

so he was first driving at 48mph because 168/3.5=48

5 miles per hour faster than that is 53mph

53*2.25=119.25

then we add 119.25 and 168

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When 8 is subtracted from the square of a number, the result is 7 times the number.
LuckyWell [14K]

Answer:

8

Step-by-step explanation:

x^2 - 8 = 7x

x^2 - 7x - 8=0

(x - 8)(x + 1)=0

x - 8= 0   x + 1=0

x=8           x= -1

8 is the positive solution

4 0
2 years ago
A pencil box has dimensions of: 6 1/2 inches, 3 1/2 inches, and 1 1/2 inches, respectively. Approximately, how many cubes with s
Inessa05 [86]
It would be approximately 50 cubes
3 0
3 years ago
What is the quotient of zero and one?<br>Translate: A number times itself ​
Digiron [165]

Answer:

Step-by-step explanation:

The quotient of zero and one is 0/1 = 0.

A number times itself is written as n^2, where n is the number.  This is the same as n*n.

3 0
3 years ago
Teresa is going for a run. she runs for 9.6 miles at a speed of 6 miles per hour. for how many hours does she run?
Lera25 [3.4K]
Speed=6 miles per hour
Distance =9.6 miles
Speed =distance /time
Time=distance/speed=9.6/6=1.6 hours
7 0
3 years ago
Solve 5x^2+2x=1 using either factoring, square root method, completing the square or quadratic formula.
wolverine [178]

Answer:

x = -1 ± √6 / 5

Step-by-step explanation:

Solve 5x^{2} + 2x = 1

move 1 to the left side of the equation by subtracting it from both sides.

5x^{2} + 2x - 1 = 0

Use the quadratic formula to find the solutions.

-b± \sqrt{b^2 - 4 (ac)}/ 2a

Substitute the values a = 5 , b = 2, and c = -1 into the quadratic formula and solve for x

-2±\sqrt{2^2 - 4(5 - 1)}/ 2 ⋅ 5

Simplify.

x = -2 ± 2 \sqrt{6}/ 10

x = -1 ± \sqrt{6}/ 5

Exact Form:

x = -1 ± \sqrt{6}/ 5

4 0
3 years ago
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