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Inessa05 [86]
3 years ago
13

Hellllllp pleas if you want brainliest answer both

Mathematics
2 answers:
Rudik [331]3 years ago
3 0

Answer:

1 is 15

2  the formula of a  trapizod and the are is 35

Step-by-step explanation:

A=a+b2h=2+5 2·10=35

have a good day/night

may i please have a branlliest

I am Lyosha [343]3 years ago
3 0

Answer:

1) 15

2) formula is y=1/2(5+2)10, area is 35 square miles

Step-by-step explanation:

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Is quadrilateral jklm the result of a dilation of quadrilateral abcd by a scale factor of 2? why or why not?
4vir4ik [10]

No. Because sides JM and KL have different slopes from sides AD and BC .

The formula of a slope:

m=\dfrac{y_2-y_1}{x_2-x_1}

For AD:

We have the points A(2, -2) and D(1, -4). Substitute:

m=\dfrac{-4-(-2)}{1-2}=\dfrac{-2}{-1}=2

For JM:

We have the points J(4, -4) and M(2, -9). Substitute:

m=\dfrac{-9-(-4)}{2-4}=\dfrac{-5}{-2}=2.5

2\neq2.5

----------------------------------------

Another argument.

No. Because the MJ is not twice as long as AD.

The formula of the length of a segment:

d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

The length of AD:

|AD|=\sqrt{(1-2)^2+(-4-(-2))^2}=\sqrt{(-1)^2+(-2)^2}=\sqrt{1+4}=\sqrt5

The length of MJ:

|MJ|=\sqrt{(2-4)^2+(-9-(-4))^2}=\sqrt{(-2)^2+(-5)^2}=\sqrt{4+25}=\sqrt{29}

\sqrt{29}\neq2\sqrt5

4 0
4 years ago
0.884 in standard form
Darina [25.2K]

Answer:

8.84 ×10⁻¹

Step-by-step explanation:

Move one decimal to the right to make one number go after the decimal. (ONLY one number from 0 - 9)

0.884 to 08.84

Now with how many times the decimal moves, it determines the power. Left equals positive and right is negative.

Standard form goes with × 10ˣ

the x next to 10 is the power.

The decimal moved 1 right so the power would be -1.

So,

8.84 × 10⁻¹

4 0
3 years ago
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It twelve k did it 29363
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4 years ago
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What is the value of value of 5/6 ÷ 3/4?​
Evgesh-ka [11]

Answer:

answer is 10/9

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I hope it helps you

4 0
3 years ago
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Hey GUYS PLEASE HELP THANK YOU
slava [35]

Answer: The sum of two Irrational numbers will be irrational

Step-by-step explanation: Because they are irrational so its result will also be irrational

3 0
2 years ago
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