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Scilla [17]
3 years ago
5

HELP ME I NEED THE RIGHT ANSWER​

Mathematics
1 answer:
Annette [7]3 years ago
5 0

Answer:

the slope is positive 10

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Please help, having trouble with geometry word problems. Tysm if you do :)
zlopas [31]

Hi!

So let's start with some variables.

w is width

L is length.

The length is 4 less than 5 times the width. Let's put that into an equation.

L = 5w - 4

The perimeter is 76.

The perimeter is L + L + w + w or

perimeter = 2L + 2w.

Which means that 1/2 of the perimeter = L + w.

We know the perimeter is 76, so half of 76 is 38.

38 = L + W.

Let's put length in terms of width and plug in the previous equation.

38 = 5w - 4 + w

Add the same variables

38 = 6w - 4

simplify

42 = 6w

w = 7

And plug that into the length equation that we had above to get

L = 35 - 4

L = 31

The correct answer is C: 7, 31

8 0
2 years ago
Read 2 more answers
N a small storage bin, there is a collection of Legos. There are 15 red bricks, 10 yellow bricks, 8 blue bricks and 7 green bric
olga nikolaevna [1]

Answer:

20 blue, 10 red, 40 yellow. There are no clues to how many black.

Step-by-step explanation:

3 0
3 years ago
Mr. Florean opened an account with deposit of $5,000. The account earned 7.5% annual simple interest. He did not make any additi
Lena [83]

Answer:

4 years

Step-by-step explanation:

The simple interest = $6,500 - $5,000 = $1500

From the formula for simple interest;

I=PRT/100

T= 100 I/PR

T= 100 × 1500/5000 × 7.5

T= 150000/37500

T= 4 years

3 0
3 years ago
Ava found that 15% of the M&Ms in the bag were blue. If there were 160
Alexandra [31]

Answer:

136

Step-by-step explanation:

160×15%=24

160-24=136

4 0
3 years ago
Use the law of Sines to find the missing angle of the triangle. <br> Find m
Whitepunk [10]
Ah...Trigonometry is fun!

The law of sines states:
\frac{sinA}{a}= \frac{sinB}{b} = \frac{sinC}{c}
The transitive property (switching the orders of the equations) applies here. Therfore, we can say that \frac{sinA}{a}=\frac{sinC}{c}

We then plug in our given values to find C

\frac{sin24}{77}=\frac{sinC}{162}
\frac{162*sin24}{77}=sinC
Solving, we get 0.8557316387. We're not done yet!

We are trying to find an angle measure, so we'll do the inverse of the ratio we used (sin).

arcsin0.8557316387 (arcsin is the same as inverse sin)
=58.8 (approximate)

So the measure of angle C is 58.8. You could check this by reinserting it into the equation \frac{sinA}{a}= \frac{sinB}{b} = \frac{sinC}{c}.

:)
6 0
3 years ago
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