3 years ago

EASY WORK HELP !! Look at the photo

Mathematics

2 answers:

Furkat [3]3 years ago

7 0

18 for the first the second is 50 and 60

cupoosta [38]3 years ago

3 0

Answer:

50 yards

Step-by-step explanation:

$\frac{40}{16} = \frac{x}{20} \\ 800 = 16x \\ x = \frac{800}{16} = 50$

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Frances can complete 91oil changes in 7 days. How many oil changes can Frances complete in 11days? oil changes

Natali [406]

Answer:

143

Step-by-step explanation:

lets make a fraction:

91 oil changes/7days

lets take "x" as the unknown # of oil changes:

x/11

91/7=x/11

we can cross multiply:

91*11=7*x

1001=7x

143=x

so 143 oil changes in 11 days

Hope this helps!

4 0

3 years ago

Read 2 more answers

19. Find the current in a circuit if the power is 500 W (watts) and the resistance is 25 ohms. Round off your answer to two deci

HACTEHA [7]

Answer:

Step-by-step explanation:

The formula that relates current, power and resistance is

$I=\sqrt{\frac{P}{R}}$

Where

I is the current (in amperes)

P is the power (in watts)

R is the resistance (in ohms)

We know P = 500 and R = 25, we plug them into the formula and solve for I:

$I=\sqrt{\frac{P}{R}}\\I=\sqrt{\frac{500}{25}}\\I=\sqrt{20}\\ I=4.47$

Correct answer is 4.47 Amperes, or choice A.

4 0

3 years ago

Emily is trying to rewrite 45 - 27 as the product of the GCF of the two numbers and

Karolina [17]

No, it won’t work. The greatest common factor between 45 and 27 is 9, but 45-27=18. So it cannot work.

3 0

2 years ago

10ft*10ft of a circle What is the area, in ft2

alexgriva [62]

Answer:

Step-by-step explanation:

6 0

3 years ago

Which of the following is equivalent to 4x+5y=12?

rosijanka [135]

Answer: Slope=−

2.000

1.600

=−0.800

x−intercept=

y−intercept=

=2.40000

Step-by-step explanation:

5 0

3 years ago