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Degger [83]
3 years ago
7

Find 2.1 x 32 Find 2.3 x 5.8 Find 7.5 x 23.4

Mathematics
2 answers:
nalin [4]3 years ago
8 0

Answer:

1. 67.2

2.13.34

3. 175.5

Step-by-step explanation:

Vladimir [108]3 years ago
5 0

Answer:

69

Step-by-step explanation:

trust me

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Help: Simplifying inside parenthesis first
Ne4ueva [31]

Answer:

4th one

Step-by-step explanation:

a^-2 goes down and become a^2 and

{a}^{2}  \times  {a}^{2}  =  {a}^{4}

b^-1 goes up and become b

{b}^{2}  \times  {b}^{1}  =  {b}^{3}

that why answer is 4th...mark me brainliest please

3 0
3 years ago
HELP! PLEASE! I really need help with this question!
LekaFEV [45]

Answer:

They are at the same height at 1.13 seconds.

Step-by-step explanation:

Remark

The rockets are at the same height when  f(x) = g(x) [see below] are the same. So you can equate them.

Givens

f(x) = - 16x^2 + 74x + 9

g(x) = -16x^2 + 82x              I have changed this so you don't have 2 f(x)s

Solution

  • f(x) = g(x)
  • -16x^2 + 74x + 9 = -16x^2 + 82x                        Add:  16x^2 to both sides
  • -16x^2+16x^2+74x + 9 = -16x^2+16x^2 + 82x   Combine terms
  • 74x + 9 = 82x                                                     Subtract 74x from both sides
  • 74x - 74x + 9 = 82x - 74x                                  Combine
  • 9 = 8x                                                                 Divide by 8
  • 9/8 = 8x/8
  • x = 1 1/8                                                              Convert to decimal
  • x = 1.125
  • x = 1.13  [rounded]


6 0
3 years ago
What is 25 divided 34
Minchanka [31]

Answer:

0.74

Step-by-step explanation:

5 0
2 years ago
I need help dont have a lot of time left
Nikolay [14]

Answer:

125 g

Step-by-step explanation:

mg is so little for an orange and kg is too large

so answer is 125 g.

3 0
3 years ago
Read 2 more answers
If Fun Reads Bookstore has a ready club with a $40 fee and charges $5 per book and Cool Covers Bookstores club charges $100 fee
choli [55]

Answer:

You have to buy more than 20 books to make Cool Cover Bookstore club a better deal.

Step-by-step explanation:

Given that:

Fee charged by Fun Reads Bookstore = $40

Charges per book = $5

Let x be the number of books.

A(x) = 5x+40

Fee charged by Cool Covers Bookstore = $100

Charges per book = $2

B(x) = 2x+100

For making Cool Cover Bookstores club a better deal,

B(x) > A(x)

2x+100 > 5x+40

2x-5x > 40-100

-3x > -60

Dividing both sides by -3

\frac{-3x}{-3}>\frac{-60}{-3}\\x>20

Hence,

You have to buy more than 20 books to make Cool Cover Bookstore club a better deal.

8 0
3 years ago
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