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beks73 [17]
3 years ago
11

Answer this????????????

Mathematics
1 answer:
goldenfox [79]3 years ago
8 0

Answer:

a + b = 8 \\ 3a - 4b = 3 \\ 4a + 4b = 32 \\ 3a - 4b = 3 \\7a = 35 \\ (a = 5 )\: and \: (b = 3)

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The owner of an electronics store received a shipment of MP3 players at a cost of $64.25 each. If he sells the MP3 players for $
Lostsunrise [7]
99.99 - 64.25= 35.74
35.74/64.25= 0.556=55.6% or 56% rounded
4 0
3 years ago
The diameter of the circle is 12m find the circumference and leave at pi
SVETLANKA909090 [29]

Answer:

Step-by-step explanation:

Here, d=12 m

r=12/2=6 m

Now,

Circumference(c)=2πr

=2π6

=12π m

5 0
3 years ago
in fireside ski shop, 11/28 of the ski caps have tassals. Of the caps with tassals, 7/11 are blue. What fraction of the caps are
Kisachek [45]

Answer:

One fourth of the caps are blue with tassels.

Step-by-step explanation:

Take 7/11 of the caps with tassels, which boils down to (7/11)(11/28), or 1/4.

One fourth of the caps are blue with tassels.

3 0
3 years ago
*If diagonal of a square is of length 10√2 cm then the perimeter of square is ...............cm.*
Artyom0805 [142]

Answer: 1️⃣ 40

Step-by-step explanation:

<em>x - is the side of the square</em>

<em />x^{2} +x^{2}   =(10\sqrt{2})^{2}  \\2x^{2}}  =200\\2x^{2} \div  2=200 \div  2 \\x^{2} =100\\x=\sqrt{100} \\x=10 \:  [cm] - side \: of  \: a \: square<em />

<em>Find the perimeter of the square.</em>

<em>Perimeter of the square = 4 × 10 cm = 40 cm</em>

<em />

8 0
3 years ago
Last week, Jason ran 26.1 miles. He wants to run further this week. He plans to run 2.4 miles to the park, four times around the
nordsb [41]

Answer:

Greater than (>)

Step-by-step explanation:

Last week, Jason ran 26.1 miles.

He wants to run further this week.

<u>Distance Run this week</u>

  • 2.4 miles to the park,
  • Four times around the park= 4p (if distance around the park is p miles)
  • 2.4 miles back from the park.

Total Distance this week =2.4+4p+2.4

Since his distance this week is going to be greater than the total distance covered last week (26.1 miles), we then have:

Total Distance covered this week > Total Distance Last week

2.4+4p+2.4>26.1

Jason should use the greater than inequality sign.

4 0
3 years ago
Read 2 more answers
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