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victus00 [196]
2 years ago
7

Pls help 19 a. 100 pts

Mathematics
1 answer:
Len [333]2 years ago
3 0

Answer:

dkdkkdkddkdkdkddkdkdkkkdkkkkkdkdkd

Step-by-step explanation:

You might be interested in
Jennifer had $24 to spend on five pens. After buying them she had $14. How much did each pen cost
Arturiano [62]

Answer:

Jennifer used $24-14=10 dollars in total.

The $10 was spend on five pens, each pen costing say, x, dollars.

The equation would be 10 = 5x

x = 10÷5= $2


So each pen costs $2 :)

Hope this helps! Feel free to ask below if you have any questions~ 





5 0
3 years ago
Read 2 more answers
Connor has a collection of dimes and quarters with a total value of $6.30. The number of dimes is 14 more than the number of qua
Anarel [89]

Connor has 14 quarters and 28 dimes.

Step-by-step explanation:

Given,

Worth of coins = $6.30 = 6.30*100 = 630 cents

We know that,

1 quarter = 25 cents

1 dime = 10 cents

Let,

Quarter = x

Dime = y

According to given statement;

25x+10y=630    Eqn 1

The number of dimes is 14 more than the number of quarters

y = x+14    Eqn 2

Putting value of y from Eqn 2 in Eqn 1

25x+10(x+14)=630\\25x+10x+140=630\\35x=630-140\\35x=490

Dividing both sides by 35

\frac{35x}{35}=\frac{490}{35}\\x=14

Putting x=14 in Eqn 2

y=14+14\\y=28

Connor has 14 quarters and 28 dimes.

Keywords: linear equation, substitution method

Learn more about substitution method at:

  • brainly.com/question/4354581
  • brainly.com/question/4361464

#LearnwithBrainly

4 0
3 years ago
I am very confused on this
Alexus [3.1K]
Well first add up all the numbers of marbles (which is 34 in total) and divide it by the number of black marbles.
(which should give you 8/34)
Then simplify the fraction and you should get 4/17
8 0
3 years ago
Read 2 more answers
Please help me with this quick :))))))))
vredina [299]

Answer:

129.3 in²

Step-by-step explanation:

The shaded segment is calculated as

area of sector ABC - area of triangle ABC

area of sector = area of circle × fraction of circle

A = πr² × \frac{60}{360}

   = π × 18² × \frac{1}{6}

   = 324π × \frac{1}{6} = 54π in²

area of Δ ABC = \frac{1}{2} × 18 × 18 × sin60°  ≈ 40.30 in²

Then

shaded area = 54π - 40.30 ≈ 129.3 in² ( to the nearest tenth )

6 0
2 years ago
A photocopy machine can print 405 copies in 9 minutes. what is the unit rate the machine can produce in 1 minute
Zolol [24]

Answer:45

Step-by-step explanation: divide 405 by 9

3 0
3 years ago
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