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katen-ka-za [31]
3 years ago
9

I don’t understand how to do 5

Mathematics
1 answer:
scZoUnD [109]3 years ago
5 0

Answer:

C. $25

Step-by-step explanation:

It is asking how much a flat charge for delivery is.  The question explains that the formula represents the cost for a load of bricks, including delivery charge.  

0.42b represents 42 cents per brick that gets delivered.  No matter how many bricks, (whatever value we plug in for b), there will still be the 25 added to it, so that 25 must be the delivery charge.

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Type the correct answer in each box. Use numerals instead of words. If necessary, use / for the fraction bar(s). Consider the ex
natka813 [3]

An expression is defined as a set of numbers, variables, and mathematical operations. The value of x for which the expression (x-1)(x-7)=0 is 1 and 7.

<h3>What is an Expression?</h3>

In mathematics, an expression is defined as a set of numbers, variables, and mathematical operations formed according to rules dependent on the context.

For the given expression, (x-1)(x-7), the value of x for which the expression will be equal to 0 can be found by equation the factors of the expression to 0. Therefore,

x-1 = 0

x = 1

and

x-7=0

x = 7

Hence, the value of x for which the expression (x-1)(x-7)=0 is 1 and 7.

Learn more about Expression:

brainly.com/question/13947055

#SPJ1

8 0
2 years ago
Can someone help me with question 3
djyliett [7]

2. Alana needs to sell 52 boxes of cookies:

She sold 7 boxes to her aunt

She sold 2 boxes to her mother

She sold 15 boxes to her neighbor

you add 7+2+15 = 24 boxes of cookies that she sold

We need to find out how many more boxes of cookies she needs to sell-

We take the 24 boxes she sold and subtract from 52 boxes that she needs to sell.

24 - 52 = 30

The answer is 30, she needs to sell 30 more boxes.

------------------------------------------------------------------------------------------------------------

3.  Sam, Jimmy and Andre shared a number of pennies in the ratio 8:5:3

Sam (8), Jimmy (5) and Andre (3)

How many more pennies did Jimmy receive than Andre?

you subtract 3 - 5 = 2

The answer is 2 more pennies.

-------------------------------------------------------------------------------------------------------------

4. Jamila spent $33.00 and Akiko spent $ 42.00  

Jamila  had 4 times as much money left as Akiko. How much money did each of them have in the beginning?

Since Akiko spent the highest amount- you will have to go with the higher amount to find the answer

4 x $42.00 = $168.00

They both in the beginning had $168.00

I hope this helps.



3 0
3 years ago
A chemical company makes two brands of antifreeze. The first brand is 45% pure antifreeze, and the second brand is 95% pure anti
Dimas [21]

Answer:

42 gallons 45% antifreeze

28 gallons 95% antifreeze

Step-by-step explanation:

If x is volume of 45% antifreeze, and y is volume of 95% antifreeze, then the total volume is:

x + y = 70

And the total amount of antifreeze is:

0.45 x + 0.95 y = 0.65 (70)

Solving by substitution:

0.45 x + 0.95 (70 − x) = 0.65 (70)

0.45 x + 66.5 − 0.95 x = 45.5

21 = 0.5 x

x = 42

y = 28

7 0
3 years ago
Please help me. I need help thank you.
STatiana [176]

Answer:

C.

Step-by-step explanation:

the ratio is 1:2

so,

4*2=8\\7*2=14\\1*2=2

the only shape with those numbers is C

Hope this helps! Please let me know if you need more help, or if you think my answer is incorrect. Brainliest would be MUCH appreciated. Have a great day!

Stay Brainy!

7 0
2 years ago
Paper clips cost $2.20 per 1000. How much would I need to pay for 4,500
dem82 [27]

Answer:

2.20 per 1000 so it's gonna be $2.20/1000 per 1. So 4500 take $2.20/1000*4500=...

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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