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3 years ago

25% of 124 is. Show your work

Mathematics

2 answers:

motikmotik3 years ago

4 0

Answer:

Step-by-step explanation:

1st- 25/100 times 124

2nd- reduce the fraction 1/4 times 124

3rd calculate!- 31

bazaltina [42]3 years ago

3 0

Answer:

25 percent of 124 is 31

25 percent is 25/100 so you multiply 0.25 times 124 which gives you 31

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Suppose that a customer is purchasing a car. He conducts an experiment in which he puts 10 gallons of gas in the car and drives

True [87]

Answer:

mean = 250.2

mean = 249.4

Step-by-step explanation:

given data

experiment = 15 times

solution

we get here mean that is express as

mean = $\frac{\sum x }{n}$ ............1

so mean for cart 1 is

mean = $\frac{232+ 268 + 163+ ....+ 289}{15}$

mean = 250.2

and

mean for cart 2

mean = $\frac{243+ 257 + 257 + ....+ 265}{15}$

mean = 249.4

6 0

4 years ago

How many quarts are in 7 liters???

arsen [322]

7.39682 is the answer since one liter is equal to 1.05669 quarts
1.05669 x 7 = 7.39682
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4 years ago

Factor the polynomial below. 4x^2-16 A. 4(x + 2)(x - 2) B. 4(x - 2)2 C. 4(2 - x)2 D. 4(2 + x)(2 - x)

marusya05 [52]

Answer:

Option A, 4(x + 2)(x - 2)

Step-by-step explanation:

Step 1: Pull out a 4

4(x^2 - 4)

Step 2: Factor x^2 - 4

x^2 - 4

(x + 2)(x - 2)

Step 3: Combine

4(x + 2)(x - 2)

Answer: Option A, 4(x + 2)(x - 2)

3 0

4 years ago

Read 2 more answers

Quan uses 19 over 2 cups of flour recipe. after baking, one has 17 over 2 cups of flour left over. Find the number of cups of fl

zmey [24]

Answer: 8.5 cups of flour.

Step-by-step explanation: So he first has 19/2 cups of flour, 19/2 cups of flour is the recipe, which is 9.5 cups of flour. He finishes the recipe with 17/2 cups left, which is 8.5 cups of flour.

4 0

4 years ago

The gradient of the curve

AleksAgata [21]

Answer:

Coordinate of P is (-2, -3)

Step-by-step explanation:

Gradient is the derivative of the curve:

$y = {3x}^{2} + 11x + 7 \\ \\ \frac{dy}{dx} = 6x + 11$

but dy/dx is -1 :

$6x + 11 = - 1 \\ 6x = - 12 \\ x = - 2$

substitute for x :

$y = 3( - 2) {}^{2} + 11( - 2) + 7 \\ y = - 3$

3 0

3 years ago