3 years ago

What is the sum of 5√7 and 3√28

Mathematics

1 answer:

seraphim [82]3 years ago

6 0

$5 \sqrt{7}+3 \sqrt{28}=\\
\\
5 \sqrt{7}+3*2 \sqrt{7}=\\
\\
5 \sqrt{7}+6 \sqrt{7} =11 \sqrt{7}$

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Any help greatly appreciated thank you

enot [183]

Answer:

Option D. n=25

Step-by-step explanation:

1) Please, see the graph in the attached file.

2) According with the graph, the break-even point for this corn stand is n=25

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4 years ago

Please help, multiple choice

Tanzania [10]

Answer:

G) $6\sqrt{2}$

Step-by-step explanation:

Since it is a right triangle, we can use the Pythagorean Theorem:

x= $\sqrt{6^{2}+6^{2}}$

x= $\sqrt{72}$

x= $\sqrt{2*36}$

x= $6\sqrt{2}$

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4 years ago

In parallelogram MNOP , PK=5x and KN=x2−14 .

ololo11 [35]

<span>PK=5x and KN=x2−14
</span>PK = KN
so
5x = x^2 - 14
x^2 - 5x - 14 = 0
(x -7)(x+2) = 0
x+2=0,x = -2
x-7=0;x = 7
so answer for x is 7
PK=5x = 5(7) = 35
KN=x^2−14 = 7^2 - 14 = 49 - 14 = 35
and
PN = PK + KN
PN = 35 + 35
PN = 70

answer
C. 70

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4 years ago

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marin [14]

That I remember the answer would be a^n over 1

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4 years ago

Round to the nearest hundredth 5.0927

vitfil [10]

Answer:

5.09

Step-by-step explanation:

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3 years ago

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