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tester [92]
3 years ago
13

Use the distributive property to find two expressions that are equivalent to 7(3x - 4)

Mathematics
1 answer:
ehidna [41]3 years ago
7 0
I could only figure out one... sorry! Good luck

The answer is: 21x-28
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At park junior high 10% or 160 of the students play a musical instrument how many students attended the school? Which statements
valina [46]

Answer:

b,c,e

Step-by-step explanation:

6 0
3 years ago
There are 4 grams of fiber in 1/2 cup of oats. How many grams of fiber are in 3 1/2 cups of oats?
Oksi-84 [34.3K]

Answer:

28 grams

Step-by-step explanation:

1 cup is 8 grams of fiber, since a half a cup is 4 you times it by 2

then 8x3 because you're multiplying the fiber of one cup by 3. which equals 24, but you still have a half of cup of oats left. and since 4 grams equal a half a cup you just simply add 4 onto 24 which equals 28

7 0
3 years ago
Read 2 more answers
Write x squared + 2x-8 in the form (x + m) squared + n where m and n are integers.
skelet666 [1.2K]
Let F(x) = x^2 + 2x -8

Adding 1 and - 1 at equation

F(x) = x^2 + 2x + 1 - 1 -8

Rewrinting the first 1 = 1^2

F(x) = x^2 + 2x + 1^2 - 1 - 8

Now look:

x^2 + 2x + 1^2 = ( x + 1)^2

Then,

F(x) = (x + 1)^2 -1 -8

F(x) = (x + 1)^2 -9

This is the answer !

If us to want.

(x + 1)^2 -9 = ( x+1)^2 - 3^2

= ( x+ 1 -3).(x +1 +3)

= ( x - 2).(x +4)

7 0
4 years ago
HELP HELP HELP MATH I WILL GIVE U EXTRA POINTS⚠️⚠️⚠️⚠️⚠️
Alja [10]

Answer:

503.75, 504.75, 505.75, 506.75

Step-by-step explanation:

x+(x+1)+(x+2)+(x+3)=2021

4x+6=2021

4x=2015

x=503.75

so it would be

503.75+504.75+505.75+506.75= 2021

8 0
3 years ago
What is the solution to 45+0.25m
Viefleur [7K]

Answer:

 m + 180

 ———————

    4  

Step-by-step explanation:

  1

Simplify   —

           4

Equation at the end of step  1  :

        1

 45 +  (— • m)

        4

Step  2  :

Rewriting the whole as an Equivalent Fraction :

2.1   Adding a fraction to a whole

Rewrite the whole as a fraction using  4  as the denominator :

          45     45 • 4

    45 =  ——  =  ——————

          1        4    

Equivalent fraction : The fraction thus generated looks different but has the same value as the whole

Common denominator : The equivalent fraction and the other fraction involved in the calculation share the same denominator

Adding fractions that have a common denominator :

2.2       Adding up the two equivalent fractions

Add the two equivalent fractions which now have a common denominator

Combine the numerators together, put the sum or difference over the common denominator then reduce to lowest terms if possible:

45 • 4 + m     m + 180

——————————  =  ———————

    4             4    

Final result :

 m + 180

 ———————

    4  

6 0
4 years ago
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