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Pachacha [2.7K]
3 years ago
14

Keela can read 2/7 of a book in 3/4 of an hour. How long will it take her to read one full book

Mathematics
1 answer:
GuDViN [60]3 years ago
5 0

Answer:

2 hours and 37.5 mins

I think

Step-by-step explanation:

2/7 : 3/4

divide both sides by 2

1/7 : 3/8

multiply both sides by 7

1 : 21/8

simplify

1 : 2 5/8

change 2 5/8 to hours and mins

2 hours and 37.5 mins

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18.14 divided by 0.06 ASAP TEST TOMMOROW
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6 0
2 years ago
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The slope of a line passing through H (-2, 5) is -3/4. Which ordered pair represents a point on this line?
oksano4ka [1.4K]
Answer:
(6,-1)

Explanation:
The slope of the line can be calculated using the following formula:
slope = \frac{y2-y1}{x2-x1}

We are given that:
slope = -0.75
point (x1,y1) is (-2,5)

We will use each of the given points to calculate the corresponding slope, then compare the calculated slope with the given one.

For point (6,-1):
slope = \frac{-1-5}{6--2} = -0.75 ........> accepted choice

For point (2,8):
slope = \frac{8-5}{2--2} = 0.75 ........> rejected choice

For point (-5,1):
slope = \frac{1-5}{-5--2} = 4/3 ........> rejected choice

For point (1,1):
slope = \frac{1-5}{1--2} = -4/3 ........> rejected choice

Therefore, the first option is the only correct one.

Hope this helps :)
5 0
2 years ago
Solve by factorizing x² + 8x + 15 + 0
shusha [124]

Download

GET

Algebra

Factor

Factor the polynomial.

(

x

+

3

)

(

x

+

5

)

Tap to view FREE steps...

()|[]√≥

789≤

456/^×>∩∪

123-+÷<π∞

,0.%=

Factor

x

2

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x

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+

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Regroup terms.

x

2

+

0

+

8

x

+

15

Add

x

2

and

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.

x

2

+

8

x

+

15

Factor

x

2

+

8

x

+

15

using the AC method.

Tap for fewer steps...

Consider the form

x

2

+

b

x

+

c

. Find a pair of integers whose product is

c

and whose sum is

b

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8

.

3

,

5

Write the factored form using these integers.

(

x

+

3

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(

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4 0
3 years ago
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What is the volume of a sphere with a diameter of 9 in.?
a_sh-v [17]
Answer: 121.5 in³

Explanation:

\textnormal{Volume }=  \cfrac{4}{3}  \pi (4.5)^3 = 121.5 \pi \ in^3
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3 years ago
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The minimum number of triangles needed to construct the polygon Sophia made is 3. Which could show Sophia’s polygon?
schepotkina [342]

I think the answer is 6 or 9  Because the minimum is 3 I hope this helps.

6 0
3 years ago
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