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larisa [96]
3 years ago
13

Does anyone know this

Mathematics
1 answer:
forsale [732]3 years ago
5 0
A) 15
B) 10
C) 9
D) 4
E) 13
F) 5
You might be interested in
Simplify 4 square root of 2 end root plus 7 square root of 2 end root minus 3 square root of 2
ehidna [41]

Answer:

8√2

Step-by-step explanation:

4√2 + 7√2 - 3√2 = (√2)(4 + 7 - 3) = 8√2

Recognize that √2 is a common factor and simply add its coefficients.

6 0
3 years ago
Read 2 more answers
I know that it falls to the left and rises to the right but how do I express that here?
Jlenok [28]

Answer:

c

Step-by-step explanation:

4 0
3 years ago
I need this answered, please and thanks
Nady [450]

Answer:

P = \frac{28\sqrt{2} }{2} units

A = 24.5 unit^{2}

Step-by-step explanation:

Length of one side

sin 45^{o} = \frac{x}{7}

7sin 45^{o}= x

7(\frac{\sqrt{2} }{2})= x

\frac{7\sqrt{2} }{2} = x

Perimeter = 4(\frac{7\sqrt{2} }{2}) = \frac{28\sqrt{2} }{2}

Area = (\frac{7\sqrt{2} }{2})(\frac{7\sqrt{2} }{2}) = \frac{98}{4} =24.5

5 0
3 years ago
At what point do the curves r1(t) = t, 5 − t, 48 t2 and r2(s) = 8 − s, s − 3, s2 intersect?
DerKrebs [107]
Set components equal:
t = 8-s \\  5-t = s-3 \\  48 t^2 = s^2

From this we find:
t = 8-s \\  s =  4 \sqrt{3} t

Substitute and solve system:
t = \frac{8}{1+4 \sqrt{3}} = 1.009  \\ \\  s = 8-t = 8 - 1.009 = 6.991

The point where they intersect is:
(1.009, 5-1.009, 48(1.009)^2)
3 0
4 years ago
Please help me!!! i’ll mark you as brainliest
Kobotan [32]

Answer:

\angle 1+\angle 5 = 90

Step-by-step explanation:

Given

The attached plot

Required

Prove that:

\angle 1+\angle 5 = 90 --- right angle

From the plot, we have:

\angle 1+\angle 2 + \angle 3+\angle 4+\angle 5 = 360 --- angle at a point

\angle 2+\angle 3 = 180 --- straight line

\angle 4 = 90 --- This divides \angle 2 + \angle 3 to equal parts

So, we have:

\angle 1+\angle 2 + \angle 3+\angle 4+\angle 5 = 360

\angle 1+ (\angle 2 + \angle 3) +(\angle 4)+\angle 5 = 360

This gives:

\angle 1+ 180 +90+\angle 5 = 360

\angle 1+ 270+\angle 5 = 360

Collect like terms

\angle 1+\angle 5 = 360-270

\angle 1+\angle 5 = 90 --- proved

5 0
3 years ago
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