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Over [174]
3 years ago
10

A picture frame is shaped like a rectangle whose perimeter is 196 cm. The length is 6 times long as the width

Mathematics
1 answer:
lbvjy [14]3 years ago
3 0
L=length W=width
perimeter=2Lx2W
196=2L+2W

Length can be written as 6W because it is 6 times the width. We then substitute this in so all the terms are the same

196=2(6W)+2W
196=12W+2W
196=14W
W=14cm
L= (14x6) 84cm
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In ABC, angle C is a right angle. Which statement must be true
KatRina [158]

Answer:

a

Step-by-step explanation:

a because the the sin is opposite divided by hypotenuse and the opposite of a is 12 and the hypotenuse is 13 so sin a would be 12/13

this is equals to the cosine of b because cos is adjacent/hypotenuse and the adjacent of b is 12 and the hypotenuse is 13 so cos b would be 12/13

hope this helps :)

4 0
3 years ago
Junnie walked for 2.5 hours at a distance of 3.2miles per hour. Maurice walked for 1.8 hours at a speed of 4.1 miles per hour.
GREYUIT [131]

We are given speed and time for Junnie and Maurice.

We will use speed distance formula here to find the distance covered by Junnie and Maurice.

The formula is given by:

speed= \frac{distance}{time}

distance = speed * time

Distance covered by Junnie:

We are given speed of Junnie as 3.2 miles per hour and time taken by her is 2.5 hours.

Plugging these values to find distance:

Distance = 3.2 * 2.5 = 8 miles

Distance covered by Maurice:

We are given speed of Maurice as 4.1 miles per hour and time taken by her is 1.8 hours.

Plugging these values to find distance:

Distance = 4.1 * 1.8 = 7.38 miles

Distance covered by Maurice is 7.38 miles whereas that covered by Junnie is 8 miles.

(A) So it is clear that Junnie walked farther.

Now let us find how much farther did Junnie walked.

We can find that by finding the difference between the two distances.

Difference = Distance covered by Junnie - distance covered by Maurice

Difference = 8- 7.38 = 0.62

(B) So Junnie walked 0.62 miles farther.

8 0
3 years ago
A circular bicycle reflector has a diameter of 5 cm. What is the approximate area of the reflector? Use 3.14 to approximate pi a
grandymaker [24]

Answer:

Step-by-step explanation:

Area=pi×radius^2 so if diameter is 5 then radius is half that which is 2.5. So it should be a=3.14 × 2.5^2. I hope that's right.

7 0
4 years ago
Michelle measured the length of her forearm. It was 3/4 of a foot. How long is her forearm in inches?
timofeeve [1]

Answer:

The length of Michelle's forearm is 9 inches

Step-by-step explanation:

Remember that

1\ ft=12\ in

To convert feet to inches, multiply by 12

we know that

The length of Michelle's forearm was 3/4 of a foot

Convert to inches

Multiply the length in feet by 12

\frac{3}{4}\ ft=\frac{3}{4}(12)=9\ in

therefore

The length of Michelle's forearm is 9 inches

7 0
4 years ago
Please help with this it’s due today
kramer
10/16 is the correct answer
7 0
3 years ago
Read 2 more answers
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