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Lubov Fominskaja [6]
3 years ago
9

Somebody please help me quickly. I don't understand. Please answer A, B, & C quickly. Thank you! P.S please show me how you

got the answers

Mathematics
1 answer:
Ahat [919]3 years ago
8 0
Hello! I can help you with this!

a. Okay. So Reese has money to buy 115 cm of framing, with the length being 18.5 cm long. The formula would be written like this: 115 = 2(18.5) + 2w.

b. Now, let’s solve the problem. 18.5 * 2 is 37. 115 - 37 is 78. The width could be 78 centimeters or less. In inequality form, it would be written as this: w <= 78.

c. Now, graph the solution by writing a few numbers on the number line. Counting by 2’s, write the even numbers 70-86 on the number line. Put a closed circle point on 78, and then draw the line to the left. Going left means numbers are smaller and a closed circle means the equation is less than or equal to. The number line interprets that the width for both sides can total 78 centimeters or less.
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Where does the graph of y = sin x from x = 0 to x = 2π start?
Bad White [126]

the graph starts at an x intercept.

6 0
3 years ago
Read 2 more answers
Salama makes fruit baskets with oranges and bananas.
vovangra [49]

<em><u>The ratio for problem is:</u></em>

oranges : bananas = 9 : 6 or oranges : bananas = 6 : 4

<em><u>Solution:</u></em>

Given that, Salama makes fruit baskets with oranges and bananas

She uses between 8 and 16 oranges and bananas in a ratio of 3 oranges to 2 bananas

Given ratio is:

Ratio of orange to bananas = 3 : 2

They add up to 5 fruits,  so some possible values are 5, 10, 15 , 20, 25, etc

But we need a value between 8 and 16 oranges and bananas

So we can choose 15 or 10

Now let us choose 15 and solve

Let the oranges be 3x

Let the bananas be 2x

Therefore,

3x + 2x = 15

5x = 15

x = 3

Thus oranges = 3x = 3(3) = 9

Bananas = 2x = 2(3) = 6

Thus the ratio for problem is:

oranges : bananas = 9 : 6

Similarly solve for 10

3x + 2x = 10

5x = 10

x = 2

Thus oranges = 3x = 3(2) = 6

Bananas = 2x = 2(2) = 4

Thus the ratio for problem is:

oranges : bananas = 6 : 4

8 0
3 years ago
Help me out now Please I'm stuck on this
Elena-2011 [213]

5x + 2(x + 1) ≤ 23

Distribute the 2.

5x + 2x + 2 ≤ 23

Combine like terms.

7x + 2 ≤ 23

Subtract 2 from both sides.

7x ≤ 21

Divide both sides by 7

x ≤ 3

8 0
3 years ago
What is the length of the hypotenuse of the right triangle? Enter your answer in the box.
ki77a [65]

Answer:

10 ft

Step-by-step explanation:

Using Pythagoras' identity in the right triangle

let h be hypotenuse, then

h² = 6² + 8² = 36 + 64 = 100 ( take the square root of both sides )

h = \sqrt{100} = 10

The hypotenuse is 10 ft

5 0
3 years ago
Read 2 more answers
a school musical soild 353 tickets. $5 for adults and $3.50 for students. the school made $1500 how many adult tickets were sold
IrinaVladis [17]

Answer:

177 Students

176 Adults

Step-by-step explanation:

Adult - (A) $5

Student - (S) $3.50

Equation 1: A+S = 353 tickets

Equation 2: 5A + 3.50S = $1500

Sub equation 1 into 2:

5A + 3.50(353 - A) = 1500

Multiply: 5A + 1235.50 -3.50A =1500

Subtract 1235.50 and -3.50A from both sides: 1.50A = 264.50 and then divide:

264.50/1.50 = 176 Adults

Sub into equation 1:

176 +S = 353

Solve: 353 - 176 = 177 Students

Check: 5(176) + 3.50(177) = $1500

1499.5 rounded = 1500 = 1500 ✔

I hope this helped!

3 0
4 years ago
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