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DochEvi [55]
3 years ago
9

.

Mathematics
2 answers:
lidiya [134]3 years ago
6 0
The correct answer is 0
KATRIN_1 [288]3 years ago
4 0

Answer:-77

Step-by-step explanation:positive plus a negative equal a negative unless the negative is smaller then the number you subtract it from

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(-3x^2+x^4+x)+(2x^4-7+4x)
iragen [17]

1. Remove parentheses

-3x^2 + x^4 + x + 2x^4 - 7 + 4x

2. Collect like terms

-3x^2 + (x^4 + 2x^4) + (x + 4x) - 7

3. Simplify

-3x^2 + 3x^4 + 5x - 7

6 0
3 years ago
I need help with this, plz help
antoniya [11.8K]

Answer:

<AFB

Step-by-step explanation:

7 0
2 years ago
3 bananas cost $0.99. At this rate, how much do 5 bananas cost?
Ierofanga [76]

Answer:

$1.65

Step-by-step explanation:

first i divided 0.99 by 3, equalling 0.33. i then multiplied 5 times 0.99 to equal 1.65.

7 0
2 years ago
Age If you add Natalie's age and Fred's age, the result is 43. If you add Fred's age to 4 times
Len [333]
Let’s take fred age as x and Natalie’s age as y.
So,
A/Q
X + Y = 43. Let it be eqution 1
and
X + 4Y = 79. Let it be equation 2


Combining equation 1 and 2, we get

( X + Y) + 3Y = 79
43 + 3Y = 79
3Y = 36
Y = 12

Now, evaluating the value of Y in equation 1 we get,

X + 12 = 43
X = 31

Therefore, Fred is 31years old and Natalie is 12 years old.
8 0
2 years ago
ANSWER BOTH!!!
brilliants [131]

Answer:

  • A = $52.00
  • B = $6.30

Step-by-step explanation:

<h3>A. How much Bill paid AFTER the discount.</h3>

Step 1: Convert the discounted percent to decimal

20% = 0.2

Step 2: Multiply the discount to the item regularly priced

0.2(65.00) = 13

So, Bill received a $13 discount, therefore, the amount he paid AFTER his discount is:

Step 3: Subtract the result (the discount Bill received) from the regular price

$65.00 - $13.00= $52.00

Therefore, Bill paid $52.00

<h3>B.  The price of the pillow in the department store.</h3>

Step 1: Multiply the wholesale price for a pillow by the marked-up the wholesale price

$4.50 × 40% = 1.8

  • Set up a fraction

\frac{4.50}{x}=\frac{100\%}{40\%}

  • The reciprocal of both sides gives

\frac{x}{4.50}=\frac{40}{100}

x = 1.8

Step 2: Add the result to the wholesale price for the pillow

4.50 + 1.8 = $6.3

Step 3: Round to the nearest cent

Add a zero behind the result = 6.30

Therefore, the price of the pillow in the department store is $6.30

7 0
2 years ago
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