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2 years ago

14

The numbers in the diagram below indicate the lengths of the sides of a triangle. Bernadette drew the following triangle and cla

ims it is a right triangle.
State whether or not Bernadette is correct?

1 answer:

xz_007 [3.2K]2 years ago

8 0

Answer:

It's not a right triangle, there isn't a right angle anywhere there.

Also, it's not applicable via pythagorean theorem

Step-by-step explanation:

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What is the lateral surface area of a cube with side length of 9 cm

Wittaler [7]

S^2 = one face of a cube
S^2 × 6 = entire Surface Area (SA) of cube
One face = 9^2 = 81 cm^2
SA = 81 × 6 = 486 cm^2

3 0

3 years ago

Need help it’s easy

defon

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3 years ago

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I just need help on number 14. Thank you very much.

lisabon 2012 [21]

I believe you only need to know one angle.

For example, if you know angle 1, you can calculate angle 3. Angle 2 = angle 3 and angle 4 = angle 1.

Also, Angle 5= angle 1 and so on...

4 0

3 years ago

F(x) = x^2 + 2x – 4<br> f(3) = ?

Ostrovityanka [42]

Answer:

11

Step-by-step explanation:

f(3)=(3)^2+2(3)-4

f(3)=9+2(3)-4

f(3)=9+6-4

f(3)=15-4

f(3)=11

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3 years ago

Shaquil needs to borrow $400. The loan company charges him $80 in fees for the loan. Shaquil calculates that the annual percenta

lesya [120]

Answer:

(B)

Step-by-step explanation:

PRINCIPAL AMOUNT(p) = $400

RATE (r)= 250% = 2.5

INTEREST = $80

t = time (in days) = t/365

By using the formula,

r = $\frac{i}{pt}$

2.5 = $\frac{80*365}{400*t}$

t = $\frac{364*80}{400*2.5}$

t = 29.2

t = 29 days (approx)

Hence option (B) is correct.

6 0

3 years ago

Read 2 more answers