2 years ago

Sharon correctly answered 21 out of 24 questions on a math quiz. Which is this ratio as a decimal?

Mathematics

1 answer:

Vitek1552 [10]2 years ago

6 0

Answer:

0.87

Step-by-step explanation:

If you divide 21÷24, you would get 0.87. The ratio is 87%, ignore the 0

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A quadrilateral is a parallelogram only if both pairs of opposite sides are equal.

monitta

Answer:

True

Step-by-step explanation:

A parallelogram is a quadrilateral with 4 sides and both pairs of opposite sides are equal.

6 0

2 years ago

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1.) Write an equation of the line that passes through the point (3,-2) and is

GarryVolchara [31]

Answer:

y = 2x - 8

Step-by-step explanation:

8 0

2 years ago

What’s the percent of change?<br> Original: 25<br> New: 18

soldier1979 [14.2K]

28% decrease

Solution:

Calculate percentage change

from V1 = 25 to V2 = 18

(V2−V1)|V1|×100

=(18−25)|25|×100

=−725×100

=−0.28×100

=−28%change

=28%decrease

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2 years ago

The leaning tower of Pisa currently "leans" at a 4 degree angle and has a vertical height of 55.86 meters. How tall was the lean

Marizza181 [45]

Answer:

56 meters.

Step-by-step explanation:

Please find the attachment.

Let the leaning tower's be h meters tall, when it was originally built.

We can see from our attachment that the side with length 55.86 meters is hypotenuse and h is adjacent side for 4 degree angle.

Since we know that cosine relates the adjacent and hypotenuse of a right triangle.

$\text{Cos}=\frac{\text{Adjacent}}{\text{Hypotenuse}}$

Upon substituting our given values we will get,

$\text{Cos (4)}=\frac{55.86}{h}$

$h=\frac{55.86}{\text{Cos (4)}}$

$h=\frac{55.86}{0.99756405026}$

$h=55.996\approx 56$

Therefore, the leaning tower was approximately 56 meters, when it was originally built.

6 0

2 years ago

The maximum load that a crane can lift is about 39,700 pounds. What is another way to write 39,700?

Ber [7]

Answer:

number 3

Step-by-step explanation:

(3,000+900+70) = 3,970

3,970*10 = 39,700

6 0

2 years ago