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Snezhnost [94]
2 years ago
11

4/5 miles in 1/5 hour unit rate

Mathematics
1 answer:
eduard2 years ago
5 0

Answer:

4 miles an hour

Step-by-step explanation:

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Lines a and b are perpendicular. Which statements below must be true? Select all that apply. The slopes of lines a and b are rec
Semenov [28]

Answer:

When the slopes of lines a and b are multiplied, the product is −1.

Line a and line b intersect to form four right angles.

Step-by-step explanation:

Given

Perpendicular lines a and b

Required

Select the true statements

Represent the slope of line a with m_1 and the slope of b with m_2.

The condition for perpendicularity is:

m_1 * m_2 = -1

Solving further:

m_1 = -\frac{1}{m_2}

To solve further, we need to analyze each of the given options

(a) This is not true because the slope of perpendicular lines are not reciprocal

(b) This is also not true because perpendicular lines do not necessarily have to intersect at their midpoints

(c) This is true because of the condition stated above: m_1 * m_2 = -1

(d) This is also true because perpendicular lines form right angles when they intersect

(e) This is not true because of the condition stated above: m_1 = -\frac{1}{m_2}

(f) This is not true because of the condition stated above: m_1 = -\frac{1}{m_2}

5 0
2 years ago
Naomi has earned $81 mowing lawns the past two days. She worked 2 1/2 hours yesterday and 4 1/4 hours today. If Naomi is paid th
Anettt [7]

Answer:

Twelve dollars per hour

Step-by-step explanation:

Add 2 1/2 and 4 1/4 together to get 6 3/4. Put it into decimal form (6.75), and divide. 81 ÷ 6.75 = 12.

3 0
3 years ago
What is the gcf of 36, 126, and 210?
Artyom0805 [142]

Answer:

Greatest common factor (GCF) of 36 and 210 is 6.

Step-by-step explanation:

4 0
3 years ago
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Share 1200kg in the ratio 3:37
bearhunter [10]

Answer:

3+37=40

3/40×1200=90kg

37÷40×1200=1110kg

Step-by-step explanation:

''.''

5 0
2 years ago
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svetoff [14.1K]

Answer:

P(x)=0.025x+100

Step-by-step explanation:

The 0.025 is 2.5% as a decimal. Then, the +100 is for the base pay amount Hailey receives.

8 0
3 years ago
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