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3 years ago

Someone answer quickA),B), and C)

Mathematics

2 answers:

Julli [10]3 years ago

8 0

Step-by-step explanation:

a. 3 1/7 b. 3 1/6 and c. 2

natima [27]3 years ago

7 0

Answer:

a is 3 and 1/7 b is 3 and 1/6 and c is 2

Step-by-step explanation:

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Help me make it simple C=cos25°cos35°-cos65°cos85°

nikdorinn [45]

Answer:

It invaluatesa to 1

Step-by-step explanation:

sin25 ∘cos65 ∘+cos25 ∘sin65 ∘=sin25

∘ sin(90 ∘−65 ∘)+cos25

∘cos(90 ∘−65 ∘ )

=sin25 ∘

sin25 ∘ +cos25 ∘cos25 ∘

=sin 2 25 ∘+cos 2 25 ∘=1

hope this helped you!

4 0

3 years ago

How do you graph this y-2x=0 y=4x+3

Svetlanka [38]

Answer:

Step-by-step explanation:

those are 2 lines, and to graph them find 2 points for each to draw a line trough them

line 1

y-2x=0 so y=2x

pick any value for x

(x=1, y=2*1=2), (x=3, y=2*3=6)

Draw a line trough points (1,2) and (3,6)

line 2

y=4x+3

(x=1, y=4*1+3=7), (x= -1, y= 4(-1)+3= -1)

Draw a line trough points (1,7) and (-1, -1)

5 0

3 years ago

Each pants leg on page 8 has an opening with a circumference of 8.5 inches. It took 15 stitches to make 3 inches in width. How m

lord [1]

Answer:

43 stitches.

Step-by-step explanation:

We have been given that each pant's leg has an opening with a circumference of 8.5 inches. It took 15 stitches to make 3 inches in width. We are asked to find the number of stitches required to make up the circumference.

Let us find stitches needed to make 1 inch by dividing 15 by 3.

$\text{Stitches needed to make 1 inch}=\frac{15}{3}$

$\text{Stitches needed to make 1 inch}=5$

Since 5 stitches make 1 inch, so to find stitches needed to make 8.5 inches, we will multiply 8.5 by 5 as:

$\text{Stitches needed to make 8.5 inches}=5\times 8.5$

$\text{Stitches needed to make 8.5 inches}=42.5$

Upon rounding to nearest stitch, we will get:

$\text{Stitches needed to make 8.5 inches}\approx 43$

Therefore, 43 stitches will make up the circumference.

8 0

3 years ago

The combined area of two squares is 80 square centimeters. Each side of one square is twice as long as a side of the other squar

olganol [36]

Answer:

The length of each side of the larger square is 8 centimeter.

Step-by-step explanation:

Given:

The combined area of two squares is 80 square centimeters. Each side of one square is twice as long as a side of the other square.

Now, to find the length of each side of the larger square.

Let $s$ be the length of the smaller square.

So, the length of the larger square = $2s.$

Now, we find the areas of the square by putting formula:

The area of smaller square = length² $=s^2.$

The area of larger square = (length)² $=(2s)^2=4s^2.$

As, given:

The combined area of two squares is 80 square centimeters.

According to question:

$s^2+4s^2=80\\5s^2=80$

So, dividing both sides by 5 we get:

$s^2=16$

Using square root on both sides we get:

$s=4\ centimeter.$

And, to get the length of each side of the larger square we substitute the value of $s$ :

$2s=2\times 4=8\ centimeter.$

The length of larger square = 8 centimeter

Therefore, the length of each side of the larger square is 8 centimeter.

8 0

3 years ago

What is the value of x in the isosceles trapezoid below?

tensa zangetsu [6.8K]

The sum of the opposite angle of the Isosceles trapezoid is supplementary. The value of x from the given diagram is 10

<h3>Isosceles trapezoid</h3>

The sum of the opposite angle of the Isosceles trapezoid is supplementary. According to the theorem;

14x + 3x + 10 = 180

17x = 180 - 10
17x = 170

Divide both sides by 17

17x/17 = 170/17

x = 10

Hence the value of x from the given diagram is 10

Learn more on Isosceles trapezoid here; brainly.com/question/8644421

#SPJ1

3 0

2 years ago