All categories

3 years ago

How do I solve this? I need help and I can’t figure it out!!

Mathematics

1 answer:

ladessa [460]3 years ago

3 0

Answer:

$\fbox{x=10}$

Step-by-step explanation:

When you have two parallel lines, corresponding angles such as the values of

$4x=3x+10$

Then, they are equal, so solve for x.

$4x=3x+10\\4x=3x=3x-3x+10\\x=10$

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∆ABC has A(-3, 6), B(2, 1), and C(9, 5) as its vertices. The length of side AB is units. The length of side BC is units. The len

leonid [27]

Answer:

AB = 7.07 units

BC = 8.06 units

AC = 12.04 units

Step-by-step explanation:

To find the length for each side of the triangle, apply the distance formula between each pair of vertices.

AB

$d = \sqrt{(x_2-x_1)^2 + (y_2-y_1)^2} \\d = \sqrt{(2--3)^2 + (1-6)^2} \\d = \sqrt{(5)^2 + (-5)^2} \\d = \sqrt{25 + 25} \\d = \sqrt{50} \\d=7.07$

BC

$d = \sqrt{(x_2-x_1)^2 + (y_2-y_1)^2} \\d = \sqrt{(9-2)^2 + (5-1)^2} \\d = \sqrt{(7)^2 + (4)^2} \\d = \sqrt{49 + 16} \\d = \sqrt{65} \\d=8.06$

AC

$d = \sqrt{(x_2-x_1)^2 + (y_2-y_1)^2} \\d = \sqrt{(9--3)^2 + (5-6)^2} \\d = \sqrt{(12)^2 + (-1)^2} \\d = \sqrt{144 + 1} \\d = \sqrt{145} \\d=12.04$

4 0

3 years ago

Daniel volunteers on the weekend at the Central Library. As a school project, he decides to record how many people visit the lib

liq [111]

Answer:

500

Step-by-step explanation:

hope it helps you

tic tac toe

7 0

3 years ago

What is -12 divided by 2/3? A. –36 B. –24 C. –18 D. –8

vazorg [7]

What is -12 divided by 2/3?

your answer is -18

5 0

3 years ago

Find the value of x.

Jet001 [13]

Answer:

Value of $x=-12$

Step-by-step explanation:

The given triangle is isosceles

Here

$m\angle2+m\angle2+36^0=180^0\\\\2m\angle2=144^0\\\\m\angle2=72^0\\\\x+84=72\\\\x=72-84\\\\=-12$

3 0

2 years ago

What times what equals 234, but then if you add them you get 31

USPshnik [31]

13*18
x*y =234
x+y=31

we know the 2 # have to be double digits and both between 10-20

find 2 values that * to a number that ends in 4. Those are the ones value

1*4 11 and 14
2*2 12 and 12
3*8 13 and 18

only 13 and 18 add up to 31 and multiply to 234

6 0

3 years ago