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3 years ago

Please help I will give brainest.

Mathematics

1 answer:

BaLLatris [955]3 years ago

5 0

Answer:

The top lines in the middle of the envelope are 45 degree angles, and the rest are 180 degrees, and 90 degrees.

Step-by-step explanation:

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Lara is x years old and her two best friends are (x-2) and (x+2). Write an expression for the square of Lara’s age and the produ

Jobisdone [24]

Answer: x^2 + (x+2)(x-2)

Step-by-step explanation:

The caret ^ before the 2 indicates that the 2 is an exponent. It means "x squared"

If the keyboard doesn't allow exponents the caret is the thing to use.

6 0

4 years ago

Read 2 more answers

HEEEEEEEEEELP AAAAAAAASAAAAAAAP...........

Tju [1.3M]

Both sides were multiplied by 3 to get Step 1, so the property is the Multiplication Property of Equality. Choice D.

8 0

4 years ago

An arithmetic series a consists of consecutive integers that are multiples of 4 what is the sum of the first 9 terms of this seq

frez [133]

<h3>Answer: 144</h3><h3>Step-by-step explanation:</h3><h3 />

Since, the first 9 multiple of 4 starts from 0 are,

0, 4, 8, 12, 16, 20, ................

Which is an AP,

Having the first term, $a_1 = 0$

And, the successive difference, d = 4,

Since, the sum of the n term of an AP,

$S_n = \frac{n}{2}[2a + (n-1)d]$

Hence the sum of 9 term of the above AP,

$S_9 = \frac{9}{2}[2\times 0 + (9-1)\times 4]$

$S_9 = \frac{9}{2}(0 + 8\times 4)$

$S_9 = \frac{9}{2}(32)$

$S_9 = \frac{288}{2}=144$

6 0

3 years ago

Choose the fraction that is greater than 3/18٫is less than 50/100٫and has 9 as its denominator

erik [133]

Answer:

4/9

Step-by-step explanation:

The denominator is the bottom value of a fraction, therefore we can discount 9/2

1/9 = 2/18. 2/18 is smaller than 3/18 so we can discount 1/9

50/100 = 0.5
5/9 = 0.55555...
0.55555... is greatest than 0.5, therefore we can discount 5/9

Answer is 4/9

8 0

2 years ago

Multiply.<br> -0.2(24)=<br><br> -100(-9.287)

Ymorist [56]

Answer:

-0.2(24)= -4.8

-100(-9.287)= -9.287

4 0

3 years ago