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4 years ago

I need help solving this problem 7/10 + 4 =

2 answers:

8 0

If you need in fractions...
7/10 + 4 = 4 and 7/10
You get this by just adding the whole number to the fraction. Or, do it this way...
7/10 + 4/1 : find LCD to get 10.
=7/10 + 40/10
= 47/10
= 4 and 7/10

Leni [432]4 years ago

4 0

7/10=.7
.7+4=4.7
that is the answer

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4.2z + 3.8z simplify the expression (Use the operation symbols in the math palette as needed. Simplify your answer. Use whole n

nata0808 [166]

A picture pls I need it

3 0

3 years ago

a bathtub that hols 32 gallons of water contains 12 gallons of water you begin filling it and after 5 minutes the tub is full

kramer

Okay. I am guessing that you are asking for the amount of water poured per minute. The bathtub already holds 12 gallons and 32 - 12 is 20. The tub is full in 5 minutes. Let’s divide. 20/5 is 4. There are 4 gallons of water filled in the tub per minute.

7 0

3 years ago

Please help and explain.

Rashid [163]

Answer:

-3/2

Step-by-step explanation:

Use formula (y2 - y1)/(x2 - x1)

Take points (-8, 4) and (-6, 1)

Use the formula:

y2 = 1

y1 = 4

x2 = -6

x1 = -8

(1 - 4)/(-6 - (-8))

= -3/(-6 + 8)

= -3/2

5 0

3 years ago

What is the answer to this math problem: you have 3 bottles of lotion.Each bottle contains 4.56 mL, 2.31 mL and 2.12 mL of lotio

ozzi

Answer: 8.99mL

Step-by-step explanation:

Since each bottle has 4.56mL, 2.31mL and 2.12mL,

Total lotion= 4.56 + 2.31 + 2.12

= 8.99mL

3 0

3 years ago

Help help! 50+ points plus Brainlist answer if work is shown!

3241004551 [841]

Answer:

4 sqrt(5)

-----------------

83 +12 sqrt(35)

Step-by-step explanation:

1. 4 sqrt(6)

--------------------

sqrt(30)

Multiply the top and bottom by sqrt(30) to rationalize the denominator

4 sqrt(6) *sqrt(30)

--------------------

sqrt(30)*sqrt(30)

4 sqrt(180)

--------------------

Simplify

2 sqrt(36 *5)

--------------------

We know that sqrt(ab) = sqrt(a) sqrt(b)

2 sqrt(36)sqrt(5)

--------------------------

2 *6*sqrt(5)

-------------------

Simplify

2 * 2 sqrt(5)

---------------------

4 sqrt(5)

-----------------

2. (2 sqrt(5) + 3 sqrt(7))^2

(2 sqrt(5) + 3 sqrt(7)) (2 sqrt(5) + 3 sqrt(7))

FOIL

first 2sqrt(5)*2sqrt(5)=4*5=20

outer 2 sqrt(5) * 3 sqrt(7) = 6 sqrt(35)

inner 3 sqrt(7) *2 sqrt(5) = 6 sqrt(35)

last 3sqrt(7) 3sqrt(7) = 9*7 = 63

Add them together = 20 + 6 sqrt(35)+ 6 sqrt(35) +63 = 83 +12 sqrt(35)

6 0

4 years ago