I will mark you brainliest for the correct answerPlease I need asap this is very important

Mathematics

1 answer:

LenKa [72]3 years ago

6 0

For the first picture, the answer is the third option. for the second picture, the answer is the first option. hope this helps!

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∠1 and ∠2 are supplementary. ∠1=124°∠2=(2x+4)° Select from the drop down menu to correctly answer the question.

Alex_Xolod [135]

Remark
Supplementary angles add up to 180o.

Givens
<1 = 124
<2 = 2x + 4

I imagine you are looking for either x or <2.

Equation
<1 + <2 = 180 Substitute the givens
124 + 2x + 4 = 180 Collect like terms on the left.
128 + 2x = 180 Subtract 128 from both sides
2x = 180 - 128 Collect like terms on the right
2x = 52 divide by 2
x = 52/2
x = 26 <<<<<<<<< answer

<1 = 124
<2 = 2x + 4 = 2*26 + 4
<2 = 52 + 4
<2 = 56 <<<<<<<< answer

We need choices if you want an exact answer.

3 0

3 years ago

A teacher had $23.25 to buy 23 rewards. Balloons cost $0.75 and noise makes are $1.50. How many balloons did she buy?

sweet-ann [11.9K]

Answer:

Step-by-step explanation:

$23.25 divided by $0.75 is 31.

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2 years ago

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I need help with math

Marat540 [252]

The answer is C that’s all I can give to you

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3 years ago

The perimeters of the square and the triangle shown below are equal. What is the value of x?

Rudiy27

Perimeter is the sum of all the sides. So we can set up an equation:

$\sf 3x+1+3x+1+3x+1+3x+1=2x+8+x+8+4x+2$

Now solve for 'x', combine like terms:

When it comes to terms with variables it's just like normal addition but we keep the variable:

$\sf 3x+3x+3x+3x=12x$
$\sf 2x+x+4x=7x$

So we have:

$\sf 12x+1+1+1+1=7x+8+8+2$

Add:

$\sf 12x+4=7x+18$

Subtract 7x to both sides:

$\sf 5x+4=18$

Subtract 4 to both sides:

$\sf 5x=14$

Divide 5 to both sides:

$\boxed{\sf x=2.8}$

8 0

3 years ago

PLEASE HELP SOLVE!! WILL MARK THE BRAINIES

quester [9]

Answer:

ABC

Step-by-step explanation:

3 0

3 years ago