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Leona [35]
3 years ago
12

Someone help me I dont get it ​

Mathematics
1 answer:
ioda3 years ago
7 0

Answer:

price of a sandwich = $7.50

Step-by-step explanation:

let the price of a sandwich be $x.

entire order cost= cost of chips+ 5×cost of sandwiches

= 1.25 + 5x

1.25 + 5x = 38.75

5x=38.75-1.25

5x=37.50

x=7.50

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The circumference of a circle varies directly as its diameter. When the diameter of a circle is 6 inches the circumference is 18
qwelly [4]

Answer:

The diameter is 2

Step-by-step explanation:

We can use a ratio to solve

6              x

-------  = --------------

18.84      6.28

Using cross products

6 * 6.28 = 18.84x

Divide each side by 18.84

37.68/18.84 = x

2 =x

5 0
3 years ago
An experiment for a chemical reaction involves mixing 1 teaspoon of yeast with 1/4 cup of hydrogen peroxide. Delray wants to do
arlik [135]

Answer:

1/8 cups

Step-by-step explanation:

For every quarter of a cup of peroxide, there is a teaspoon of yeast. there are six quarter cups in one and a half cups, so there is 6 tsp of yeast. Divide 6 by 48 (to bring it into cups) and that leaves you with 0.125 cups, or 1/8 cups. Hope this helps!

7 0
3 years ago
9/10 + 9/10 + 9/10<br>HELP NEEDED ASAP PLSSSSSSSSS PLSSS ILL GIVE U MAX POINTS IF U HELP PLSSSSS​
n200080 [17]
27/10 or 2 7/10 here hope this helped
7 0
3 years ago
Read 2 more answers
I really need help please
vekshin1
 for the first one $5.34 ÷ 6 so if u type that into a calculate it will say  $0.89
7 0
4 years ago
I hope someone can help me, I usual help people too, it’s for solving equations with systems,hers a photo
blsea [12.9K]

Step-by-step explanation:

Flour needed to make birthday cakes = 2x

Flour needed to make holiday cakes = 1y = y

Maximum amount of Flour allowed = 20 (No more than 20)

Therefore

2x + y must not be more than 20

2x + y \leqslant 20

4 0
3 years ago
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