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2 years ago

ANDWER CHOICES: 14cm 20cm 8cm 6cm I NED HELP ASAP!!!!

Mathematics

1 answer:

meriva2 years ago

7 0

20 cm is the answer to the question

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9. The sum of 10 and 7 times a number is 59. What is the<br> number? (Use n as the variable.)

PSYCHO15rus [73]

10+7n=59
7n=59-10
7n=49
n=49/7
n=7

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2 years ago

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How can you tell if a point is a solution to a system of equations?

Anna35 [415]

Answer: you have to substitute them into the equation

Step-by-step explanation:

example: x = 2y - 6

lets say you test 4/5 so it would be 4 = 2(5) - 6

this equals 4 = 10 - 6 which is true

so that is how you test to see if the equation is right

remember the first number goes to "x" and the second one goes to y

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3 years ago

Question 2 Not yet answered Points out of 2

nata0808 [166]

Answer:

Trapezoid

Step-by-step explanation:

perpendicular: They are perpendicular due to the fact they cross at right angles to each other. Another true instance of perpendicular lines we will see in nature is a football field. All four corners of a football field are perpendicular to every other.

In the trapezoid attached there aren't any perpendicular sides. A and B are both obtuse angles in this diagram, and C and D are both acute angles. However, now not all trapezoids appear like this. ... Definition B: A trapezoid is any quadrilateral with at the least one pair of parallel sides.

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2 years ago

I NEED HELP IM BEGGING YOU????:) Write the slope-intercept form of the equation for the line.

iogann1982 [59]

It’s d because the slope is negative and it is 2/1 which can also be written as just 2. in the formula y=mx+b, m is the slope and b is the y-intercept. the y-intercept is where the line touches the y axis(in this case -1) so it would be written as y=2x+(-1)

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2 years ago

How many square feet of carpet will we need for this hole

Olenka [21]

Answer:

12 sq. ft.

Step-by-step explanation:

A=1/2bh

triangle 1: 1/2x2x4=4

triangle 2: 1/2x4x4=8

4+8=12

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3 years ago

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