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malfutka [58]
3 years ago
14

I need help please ​

Mathematics
2 answers:
just olya [345]3 years ago
7 0

Answer:

a?

Step-by-step explanation:

ludmilkaskok [199]3 years ago
5 0
A...................
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Find the difference 3 d and 7 d<br>​
hoa [83]

Answer:

-4d

Step-by-step explanation:

We can subtract a term from another if they have the same variable. Both 3d and 7d have the variable d, so we can subtract them.

When subtracting these terms, we subtract the coefficients and keep the variable.

So:

3d - 7d = 3-7(d) = -4d

Hope this helped!

5 0
3 years ago
Read 2 more answers
The first term of a sequence is 18, and the fifth term is 54. What is the common difference between each two consecutive terms?
wel

Answer:

9

Step-by-step explanation:

Sorry to lazy to type

Calculation is up

7 0
2 years ago
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What is the unit price for a piece of cheese if 1.24 pounds costs $11.25?
Luba_88 [7]

Answer:

$9.07 per pound

Step-by-step explanation:

Take the total cost and divide by the number of pounds

$11.25/ 1.24

$9.072580645 per pound

Rounding to the nearest cent

$9.07 per pound

7 0
3 years ago
A store pays $10.56 fora map of Africa and marks the price up by
nignag [31]

Essentially, 50% of $10.56 is $5.28.

This means that all we have to do is add $10.56 to $5.28, making <u>$15.84</u>


Side note: Another way that you can do this is by simply doing 1.5(10.56).

6 0
3 years ago
A sample of 75 concrete blocks had a mean mass of 38.3 kg with a standard deviation of 0.6 kg.
Scilla [17]
The answer will be a
8 0
3 years ago
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