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3 years ago

If a shape has 4 right angles, then it is a rectangle.

Mathematics

2 answers:

shusha [124]3 years ago

7 0

Answer: leahcool08 is right

Step-by-step explanation:a rectangle has two even size the other two even sides a square has four even sides and square is a rectangle but a rectangle isn't a square

almond37 [142]3 years ago

3 0

a rectangle has two even size the other two even sides a square has four even sides and square is a rectangle but a rectangle isn't a square

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Find the zeros of the polynomial function f(x)=x^3-2x^2-8x

kotegsom [21]

The roots are x=0,4,-2

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3 years ago

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Use elimination to solve 3x-2y=24 x+2y=48

MakcuM [25]

Answer:

X= 18; Y=15

Step-by-step explanation:

As a student myself working this out I cannot explain how I got the answer but I know it is correct.

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3 years ago

Work out (5.32 x 10^-7): (2.5 x 10^-5)<br>Give your answer in standard form

Mrrafil [7]

Answer:

1.33×10^-6

Step-by-step explanation:

5.32 x 10^-7= 5.32×10^(-5-2)= 5.32×10^-2×10^(-5)

=0.0532×10^-5

(0.0532×10^-5) (2.5 x 10^-5)

0.0532×2.5 × 10^-5

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1.33×10^-6

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3 years ago

I need an answer NOT A LINK! ASAP

katen-ka-za [31]

Answer:

D. No, because group A is already the control group.

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2 years ago

For questions 8 – 10, answer the questions about tangent-tangent angles.

olchik [2.2K]

Answer:

m(arc ZWY) = 305°

Step-by-step explanation:

8). Formula for the angle formed outside the circle by the intersection of two tangents or two secants is,

Angle formed by two tangents = $\frac{1}{2}(\text{Difference of intercepted arcs})$

= $\frac{1}{2}(220-140)$

= $\frac{1}{2}(80)$

= 40°

9). Following the same rule as above,

Angle formed between two tangents = $\frac{1}{2}(\text{Difference of intercepted arcs})$

125 = $\frac{1}{2}[m(\text{major arc})-m(\text{minor arc})]$

250 = $[m(\text{arc ZWY})-m(\text{arc ZY})]$

250 = m(arc ZWY) - 55

m(arc ZWY) = 305°

Therefore, measure of arc ZWY = 305° will be the answer.

10). m(arc BAC) = $\frac{1}{2}([m(\text{arc BDC})-m(\text{arc BC})])$

= $\frac{1}{2}(254-106)$

= $\frac{148}{2}$

= 74°

4 0

2 years ago