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DochEvi [55]
3 years ago
5

Steve drives at a constant speed of 59.3 mph. How far should he expect to drive in 7/8 hr?

Mathematics
1 answer:
Olenka [21]3 years ago
5 0

Answer:

51.9 miles

Step-by-step explanation:

distance  = speed * time

d = 59.3 * 7/8

d = 51.8875 miles

rounded

51.9 miles

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PLZ help me fast 2 mins left
jek_recluse [69]

Answer:

\sqrt{-5}=i\sqrt{5}

\sqrt{-25}=5i

Step-by-step explanation:

i is an imaginary unit, this means

i^2=-1

Rewrite -5 as 5\cdot (-1)=5\cdot i^2,

then

\sqrt{-5}=\sqrt{5i^2}=\sqrt{5}\cdot \sqrt{i^2}=\sqrt{5}\cdot i=i\sqrt{5}

Rewrite -25 as -25=25\cdot (-1)=25\cdot i^2,

then

\sqrt{-25}=\sqrt{25\cdot i^2}=\sqrt{25}\cdot \sqrt{i^2}=5\cdot i=5i

6 0
3 years ago
Use scientific notation to estimate the number of inches in 1,225 miles. Include all calculations in your final answer.
valentinak56 [21]

Answer:

1,225 miles = 77616000 inches

Step-by-step explanation:

It is asked to find the number of inches in 1,225 miles

Given

1 inch ≈ 1.578 × 10^-5 miles

Therefore, 1 mile  = 63360 inches

Therefore, 1,225 miles = 1225 x 63360 inches

                 1,225 miles = 77616000 inches

or               1,225 miles = 7.7 x 10^{7} inches

Therefore the final answer is

1,225 miles = 77616000 inches

or               1,225 miles = 7.7 x 10^{7} inches

3 0
4 years ago
Bethany is working her way through school. She works two part time jobs for a total of 30 hours a week. Job a pays 5.90 per hour
Dahasolnce [82]

Answer:

Job A=40 hours=73.50  job=B=50hours=120.40

Step-by-step explanation:


6 0
3 years ago
Vic has 14 coins in nickels and quarters the value of this coins is 1.70 how many quarters does he have
marusya05 [52]

Answer:

4 quarters

Step-by-step explanation:

4 quarters = $1

14 nickels = $0.70

6 0
3 years ago
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uysha [10]
1.-5*2+10=0 : this is the answer

2. 1-5(7)=-34 =/= 4
1-10=-9 =/= 1
-4(7)+3=-25 =/= 1
-7+8=1 : this is the answer

3. the slope is \frac{-10-(-5)}{-9-(-2)}= \frac{5}{7}. Answer C
8 0
3 years ago
Read 2 more answers
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