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Zina [86]
3 years ago
11

PLEASE HELP ME ILL GIVE BRAINILEST PLEASE!!!

Mathematics
1 answer:
Andrej [43]3 years ago
8 0

Step-by-step explanation:

add subtract then multiply and divide.

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Simplify this expression.
klio [65]

Answer:

The solution for the expression is choice D 26√5 +2√10

Step-by-step explanation:

Hello!

First, apply distributive law: a(b+c)= ab+ac

  • 2√5(13+√2) ....given expression
  • 2√5.13 +2√5.√2...multiply the numbers
  • 2.13=26
  • √5.√2=√10
  • 26√5 +2√10

6 0
2 years ago
Which ratios form a proportion
Lelu [443]

Answer:

C

Step-by-step explanation:

To form a proportion, you need two equal ratios.

Divide the numerator by the denominator of all fractions.

Any two fractions that are equal are a proportion.

A.

4/9 = 0.4444...

9/4 = 2.25

Fractions are not equal. Not a proportion.

B.

4/10 = 0.4

10/25 = 0.4

Fractions are equal. Proportion

C.

4/11 = 0.363636...

6/13 = 0.46153846...

Fractions are not equal. Not a proportion.

D.

I can't read the fractions, but do the same I did above.

Divide each numerator by the denominator and compare the decimals. If they are equal its a proportion. If theya re not equal, it is not a proportion.

3 0
2 years ago
Machine A pops 12.75 ounces of popcorn in 3 minutes. Machine B pops 18 ounces of popcorn in 4 minutes. If each machine pops popc
Harrizon [31]

Answer: Yes, there are enough popcorn for eight 9- ounce bags.

Step-by-step explanation:

Since we have given that

From Machine A,

Amount of popcorn  in 3 minutes = 12.75

Amount of popcorn in 1 minute is given by

\frac{12.75}{3}=4.25\text{ ounces}

Amount of popcorn in 10 minutes is given by

4.25\times 10=42.5\text{ ounces }

From Machine B,

Amount of popcorn  in 4 minutes = 18 ounces

Amount of popcorn in 1 minute is given by

\frac{18}{4}=4.5\text{ ounces}

Amount of popcorn in 10 minutes is given by

4.5\times 10=45\text{ ounces }

Total amount of popcorn is given by

42.5+45=87.5\text{ ounces}

Now, there are eight 9-ounce bags means 72 ounces

Since 87.5 ounces is greater than 72 ounces .

So, there are enough for eight 9-ounce bags.

8 0
3 years ago
Read 2 more answers
Prove that the Greatest Integer Function f: R -> R given by f(x) = [x], is neither one-once nor onto, where [x] denotes the g
Karo-lina-s [1.5K]
F: R → R is given by, f(x) = [x]
It is seen that f(1.2) = [1.2] = 1, f(1.9) = [1.9] = 1
So, f(1.2) = f(1.9), but 1.2 ≠ 1.9
f is not one-one

Now, consider 0.7 ε R
It is known that f(x) = [x] is always an integer. Thus, there does not exist any element x ε R such that f(x) = 0.7

So, f is not onto
Hence, the greatest integer function is neither one-one nor onto.

The answer was quite complicated but I hope it will help you.
8 0
3 years ago
This app doesn’t know how to read a picture
SSSSS [86.1K]
It’s the 3rd one hopefully this helps
5 0
3 years ago
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