2 years ago

What is 4+5=20 +34+56

Mathematics

2 answers:

enyata [817]2 years ago

7 0

This question’s answer is no solution, unless there was a typo. If there was, comment, and i’ll Answer it!

maxonik [38]2 years ago

5 0

If you meant to put a multiplication symbol, the answer would be 110. If it was a addition symbol it would be 99.

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Really need need help on this please

Alexxx [7]

Answer:

$\frac{7}{2}$

Step-by-step explanation:

$\frac{12-3y}{2} + y (\frac{2y-4}{y})$

we substitute the value of "y" in the equation:

$\frac{12-3(3)}{2} + 3 (\frac{2(3)-4}{3})\\\\\frac{12-9}{2} + 3 (\frac{6-4}{3})\\\\\frac{3}{2} + 3 (\frac{2}{3})\\\\\frac{3}{2} + 2\\\\\frac{7}{2}$

3 0

2 years ago

What is -3/4 – (-1/2)? A. -5/4 B. -1/4 C. 1/4 D. 1/2

Delicious77 [7]

Answer:

B. -1/4

Step-by-step explanation:

6 0

2 years ago

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A map has a scale of 4 inches: 25 miles how far are two cities if they are 120 miles apart

IrinaK [193]

Answer: 19.2 inches

Step-by-step explanation:

Make a proportion:

4/25 = x/120

cross multiply

480 = 25x

Divide both sides by 25

X= 19.2

4 0

2 years ago

the height of a tree was 12 feet. after a year, the tree's height increased 25%. what is the height of the tree after a year

Margaret [11]

Answer:

15 feet

Step-by-step explanation:

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2 years ago

Kaylee obtains a loan with simple interest to buy a car that costs $8,500. If Kaylee pays $1,020 in interest during the four yea

andreev551 [17]

The simple interest formula is:

A = P · (1 + r · t)
where:
A = total amount
P = principal
r = rate
t = time

Let's solve for r:
A = P + P · r · t
P · r · t = A - P

r = (A - P) / (P · t)

The quantity A - P is defined as the Interest, therefore:
r = I / (P · t)
= 1020 / (8500 · 4)
= 0.03

Therefore the rate was 3%.

5 0

2 years ago

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