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Ivan
3 years ago
7

SOLVE.

Mathematics
1 answer:
allsm [11]3 years ago
5 0

1.\\4e-15=4e+11\qquad|-4e\\-15=11\qquad FALSE\\\\no\ solution\\-----------------------------\\2.\\3(2f-1)=5(f+2)\qquad|\text{use distributive property}\\(3)(2f)+(3)(-1)=(5)(f)+(5)(2)\\6f-3=5f+10\qquad|+3\\6f=5f+13\qquad|-5f\\\boxed{f=13}\\--------------------------------\\3.\\6g-9=3(2g-3)\qquad|\text{use distributive property}\\6g-9=(3)(2g)+(3)(-3)\\6g-9=6g-9\qquad|-6g\\-9=-9\qquad TRUE\\\\identity\ equation\\--------------------------------------

4.\\3(2h-1)=5h-3\qquad|\text{use distributive property}\\(3)(2h)+(3)(-1)=5h-3\\6h-3=5h-3\qquad|+3\\6h=5h\qquad|-5h\\\boxed{h=0}\\------------------------------------\\5.\\4-(3j+2)=2(1-2j)+5\qquad|\text{use distributive property}\\4-3j-2=(2)(1)+(2)(-2j)+5\\4-3j-2=2-4j+5\qquad|\text{combine like terms}\\(4-2)-3j=(2+5)-4j\\2-3j=7-4j\qquad|-2\\-3j=5-4j\qquad|+4j\\\boxed{j=5}

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Let q(x)=8x-7 what is q(4) a. 25 b. 36 c. 39 d. 32
zhuklara [117]
I hope this helps you



x=4 q (4)=8.4-7


q (4)=32-7


q (4)=25
4 0
3 years ago
the population of happy land is 15.8 happys per acre exactly 553 happys live in happy land. how many acres is happyland
Crank

Answer:

35 acres.

Step-by-step explanation:

Proportions:

15. 8 ⇒ 1 acre

553 ⇒  P acres

P = 553*1/15.8

P = 35 acres

5 0
1 year ago
Type in the value of y.<br><br><br><br> If x = 7, then y =
Mila [183]
<h3>Answer:  8</h3>

Explanation:

The rule says "whatever x is, add 1 to it to get y"

So for instance, if x = 3, then y = x+1 = 3+1 = 4

Now if x = 7, then y = x+1 = 7+1 = 8

3 0
3 years ago
Read 2 more answers
Asap help please on this question thanks
Rina8888 [55]
90-30=60 Hoped this helped
3 0
3 years ago
Complete the steps to add 3 2/5 +1 3/10 . 1. Write mixed numbers as improper fractions. 2. Write equivalent fractions with a com
ira [324]

Answer:

47/10 = 4 7/10

Step-by-step explanation:

3 2/5 + 1 3/10

1. Write mixed numbers as improper fractions:

17/5 + 13/10

2. Write equivalent fractions with a common denominator:

34/10 + 13/10

3. Add the numerators over the common denominator.

47/10

4. Simplify.

4 7/10

3 0
3 years ago
Read 2 more answers
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