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mario62 [17]
3 years ago
10

Can someone explain how I do this?

Mathematics
2 answers:
lorasvet [3.4K]3 years ago
8 0

Answer:

oh soooooooooooooooo sorry

Step-by-step explanation:

sorry

Sergeu [11.5K]3 years ago
5 0

Answer:

12.5N

Step-by-step explanation:

See attached image.

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A blueprint for a picnic table has a scale of 1:20. The table in the blueprint is 3 in. long. What is the length of the actual p
blsea [12.9K]
The blue print has a scale of 1:20. So every 1 inch represents 20 inches of the actual size. so 3 inches represents 20*3 of the actual table = 60 inches
12 inches is 1 feet
so 60 inches =60/12 = 5 feet
The correct answer is 5 feet.
5 0
3 years ago
Read 2 more answers
A retailer buys jackets at a cost of
stepladder [879]

Answer:

$66

Step-by-step explanation:

Using the formula for percent increase in price, we get:

P = 24(1+1.75) = 66

So, the retail price of the jacket is $66.

7 0
3 years ago
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I NEED HELP ASAP solve the systems of equations using elimination
Svetach [21]

━━━━━━━☆☆━━━━━━━

▹ Answer

<em>(-2, 1)</em>

▹ Step-by-Step Explanation

4x + 3y = -5

-2x + 2y = 6

4x + 3y = -5

x = -3 + y

4(-3 + y) + 3y = -5

y = 1

x = -3 + 1

x = -2

(x, y) = (-2, 1)

Hope this helps!

- CloutAnswers ❁

Brainliest is greatly appreciated!

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6 0
4 years ago
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Solve using square roots 3x^2+25=73
seropon [69]
Heya !

Given expression -

3 {x}^{2} + 25 = 73

Subtracting 25 both sides ,

3 {x}^{2} + 25 - 25 = 73 - 25 \\ \\ 3 {x}^{2} = 48

Dividing by 3 on both sides ,

\frac{3 {x}^{2} }{3} = \frac{48}{3} \\ \\ {x}^{2} = 16

Therefore ,
x = + \: 4 \: \: \: \: or \: \: - 4 \: \: \: \: \: \: \: Ans.
4 0
4 years ago
You are given that cos(A)=−5/13, with A in Quadrant II, and sin(B)=7/25, with B in Quadrant II. Find cos(A+B). Give your answer
blsea [12.9K]

The value of cos(A+B) is 36/325.

<h3>What is Trigonometry?</h3>

The branch of mathematics concerned with specific functions of angles and their application to calculations.

Given:

cos(A)=−5/13

sin(B)=7/25

Now Using identity,

sin²A + cos² A= 1

sin A= √1 - cos² A

sin A = √1- 25/169

sin A= √144/169

sin A= 12/13

Again,

sin²B + cos² B= 1

cos B= √1 - sin² B

cos B = √1- 49/625

cos B= √576/625

cos B= -24/25

Now,

cos (A +B) = cos A cos B - sin A sin B.

= -5/13* (-24/25) - 12/13* 7/25

=  120/325 - 84/325

= 36/325

Hence, the value of cos (A + B) is 36/325.

Learn more about this concept here:

brainly.com/question/17056960

#SPJ1

3 0
2 years ago
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