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3 years ago

PLZZZZ HELP 10 points

Mathematics

2 answers:

Kipish [7]3 years ago

7 0

4 packages of hot dogs and 5 packages of rolls.

10 x 4 = 40
8 x 5 = 40
40 = 40

kherson [118]3 years ago

5 0

4 packages of hotdogs and 5 packages of rolls

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HELP PLEASE!!! I need help with this question!

AlexFokin [52]

Answer:

$\large\boxed{PS=10\sqrt5}$

Step-by-step explanation:

ΔPQS, ΔRQP and ΔRPS are similar (AA). Therefore the sides are in proportion:

$\dfrac{QR}{RP}=\dfrac{RP}{RS}$

We have:

$QR=5,\ RS=20$

Substitute:

$\dfrac{5}{RP}=\dfrc{RP}{20}$ <em>cross multiply</em>

$RP^2=(5)(20)\\\\RP^2=100\to RP=\sqrt{100}\\\\RP=10$

Use the Pythagorean theorem:

$PS^2=PR^2+RS^2$

Substitute:

$PS^2=10^2+20^2\\\\PS^2=100+400\\\\PS^2=500\to PS=\sqrt{500}\\\\PS=\sqrt{100\cdot5}\\\\PS=\sqrt{100}\cdot\sqrt5\\\\PS=10\sqrt5$

6 0

2 years ago

"Which expression is NOT equivalent to the sum of 36 + 54?

german

Answer:

B equals 60 and 36+54 = 90

3 0

3 years ago

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Solve these equation<br> 4(m+7)=44

Sphinxa [80]

4m+28=44
4m=44-28
4m=16
m=16/4
m=4

5 0

3 years ago

I need help right now. report cards are coming in soon and i need to get my grades up

saul85 [17]

Answer:

x = 10

Step-by-step explanation:

3x - 5 = 2x + 5

3x - 5 + 5 = 2x + 5 + 5

3x = 2x + 10

3x - 2x = 2x - 2x + 10

1x = 10

x = 10

4 0

3 years ago

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How many solutions does 7(2x-2)=7x+14 have?

lyudmila [28]

it has only one solution

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3 years ago

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