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3 years ago

Suppose the measure of an angle is 67 degrees what is the measure of its complementary angle

1 answer:

3 0

Complementary angles are angles whose sum is 90 degrees.

90 - 67 = 23

23 degrees is the measure of its complementary angle.

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Set up an equation and solve the following problem.

nordsb [41]

Answer:

The speed of Dave is 42 miles per hour

The speed of Kent is 46 miles per hour .

Step-by-step explanation:

Given as :

The distance cover by Dave = d = 210 miles

The time taken by Dave = t hour

The speed of Dave = s miph

Again

The distance cover by Kent = D = 230 miles

The time taken by Kent = T hour

The speed of Kent = S = (s + 4 ) miph

For Dave

Time = $\dfrac{\textrm Distance}{\textrm Speed}$

So, t = $\dfrac{\textrm d miles}{\textrm s miph}$

Or, t = $\dfrac{\textrm 210 miles}{\textrm s miph}$

For Kent

Time = $\dfrac{\textrm Distance}{\textrm Speed}$

So, T = $\dfrac{\textrm D miles}{\textrm S miph}$

Or, T = $\dfrac{\textrm 230 miles}{\textrm (s + 4) miph}$

∵ Time taken by both is same

So, t = T

Or, $\dfrac{\textrm 210 miles}{\textrm s miph}$ = $\dfrac{\textrm 230 miles}{\textrm (s + 4) miph}$

Or, 210 × (s + 4) = 230 × s

Or, 210 × s + 210 × 4 = 230 × s

Or, 210 × 4 = 230 × s -210 × s

Or, 210 × 4 = 20 × s

∴ s = $\dfrac{840}{20}$

i.e s = 42 miph

So, The speed of Dave = s = 42 miles per hour

Again

The speed of Kent = S = (s + 4 ) miph

i.e S = 42 + 4

or, S = 46 miph

So, The speed of Kent = S = 46 miles per hour

Hence,The speed of Dave is 42 miles per hour

And The speed of Kent is 46 miles per hour . Answer

8 0

3 years ago

A snail traveled 1/4 kilo in 5/6 hours. What was its average speed

AysviL [449]

Answer:

3/10 kilos per hr

Step-by-step explanation:

1/4÷5/6=1/4×6/5

=6/20=3/10

5 0

2 years ago

A sheep is bought for £40 and sold for £33. What is the percentage loss?

valkas [14]

Answer:

£13 %11

Step-by-step explanation:

4 0

3 years ago

Mika used these steps to solve the equation 5x−12=−2+5(x−2). Which choice describes the meaning of her result, −12=−12?

Debora [2.8K]

All values of x make the equation true

4 0

3 years ago

Read 2 more answers

Please answer, I’ve been stuck on this the whole day, so basically I only need the four digit code. You can read the instruction

andrey2020 [161]

I got 6103 or BEHI for the answer

4 0

3 years ago