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kotegsom [21]
3 years ago
13

-4.5 + 4.4 + ____ = 0

Mathematics
1 answer:
jenyasd209 [6]3 years ago
4 0

Answer:

A, -6. 7 + 6.8.

Step-by-step explanation:

-4.5 + 4.4 = -0.1

-0.1 - 6.7 = -6.8

-6.8 + 6.8 = 0!!!

I hope this helps!

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You have just been paid for mowing nine lawns, and you earned $7 per lawn. If you were paid $9 per lawn, how many lawns would yo
forsale [732]

Answer:

if you got paid seven bucks per lawn, and you mowed nine lawns, you'd have $63 dollars

if you were to mow them for 9 dollars a lawn...

$63 = 9x

63/9 = 7

youd have to mow 7 lawns to get the same amount of money

Step-by-step explanation:

7 0
2 years ago
What percent of 95 is 74
Softa [21]
74 is what percent of 95?


74 is P% of 95


Equation: Y = P% * X


Solving our equation for P

P% = Y/X

P% = 74/95

p = 0.7789

Convert decimal to percent:

<span>P% = 0.7789 * 100 = 77.89%
</span>

Hope I helped!

Let me know if you need anything else!

~ Zoe
7 0
3 years ago
The United States has a total area of 3,796,742 square miles.
Dvinal [7]

Answer:

4 * 10^6

Step-by-step explanation:

3,796,742 is about 4,000,000

4 * 10^? = 4,000,000

4 to 4,000,000 is an extra 6 zeroes

? = 6

4 * 10^6

4 0
2 years ago
Tickets marked up 35% to 59.40 what is original price
Art [367]
So percent means parts ouf of 100
x%=x/100

so marked up form original to new price
100%=original
marku=35%
new price=100+35=135%
new price=59.40
so therefor

59.40=135/100 of original price
'of' means mutiply
replace 'origional price' with x
59.40=135/100 times x
simplify 135/100 to 27/20
59.40=27/20 times x
mutiply both sides by 20/27 to clear fraction
1188/27=x
44=x

original price=$44
4 0
3 years ago
Read 2 more answers
If x-y=1 and xy= 56 then find the value of x+y​
tester [92]

Answer:

x + y = ±15

Step-by-step explanation:

Step 1: Write out systems of equations

x - y = 1

xy = 56

Step 2: Rearrange 1st equation

x = y + 1

Step 3: Substitution

(y + 1)y = 56

Step 4: Distribute

y² + y = 56

Step 5: Solve for <em>y</em>

y² + y - 56 = 0

(y - 7)(y + 8) = 0

y = -8, 7

Step 6: Plug in <em>y </em>to find <em>x</em>

x - 7 = 1

x = 8

x - (-8) = 1

x + 8 = 1

x = -7

Step 7: Find answer

x + y = ?

8 + 7 = 15

-7 + -8 = -15

So both 15 and -15 could be the answer.

3 0
3 years ago
Read 2 more answers
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