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3 years ago

The second statement is the of the first. Foundations of Geometry

Mathematics

2 answers:

Elina [12.6K]3 years ago

5 0

i think its c. contrapositive

Fynjy0 [20]3 years ago

4 0

Answer:

C. contrapositive

Step-by-step explanation:

The <em>contrapositive</em> is formed by negating both statements and swapping them, as here.

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If ∠A and ∠B are complementary, find the value of x given that ∠A=3x-2 and ∠B=x+12

xxMikexx [17]

Answer:

x=20 degrees

Step-by-step explanation:

complementary means the angles equal 90 degrees

so ∠A+∠B=90 degrees

∠A=3x-2 and ∠B=x+12

so subsitute

(3x-2)+(x+12)=90

then solve for x

4x+10=90

4x=80

x=20 degrees is your answer

6 0

3 years ago

Mikaela placed a frame around a print that measures 10 inches by 10 inches. The area of just the frame itself is 69 square inche

olchik [2.2K]

Answer:

1.5 in

Step-by-step explanation:

Let x be the width of the frame.

Side of print=10 in

Area of frame=69 square in

We have to find the width of the frame.

Side of frame=10+x+x=10+2x

Area of square= $(side)^2$

By using the formula

Area of print= $10\times 10=100in^2$

Area of frame with print= $(10+2x)^2$

Area of frame=Area of frame with print-Area of print

$69=(10+2x)^2-100$

$(10+2x)^2=69+100=169$

$(10+2x)=\sqrt{169}=\pm 13$

$10+2x=13$

Because Side is always positive.

$2x=13-10=3$

$x=\frac{3}{2}=1.5$

Hence, width of frame=1.5 in

3 0

3 years ago

What is 24.45379+5679.0000000

Scilla [17]

It equals <span>5703.45379.

Happy studying ^_^</span>

8 0

3 years ago

Troy invests $540 in a savings account that earns a simple interest

Crazy boy [7]

wish i could help bro bro.

4 0

3 years ago

Read 2 more answers

Which line is parallel to the line y = 3x + 6?

TiliK225 [7]

Y = 3x - 9, because for a line to be parallel it has to have the same gradient (x value) as the first line, and y = 3x - 9 is the only equation with the x value of 3.

7 0

3 years ago