3 years ago

Triangle XYZ is a right triangle with the right angle at vertex Y.

Mathematics

2 answers:

asambeis [7]3 years ago

5 0

Answers:
Angle X must be 45 degrees.
Angle Z must be 45 degrees.
The sum of angles X and Z must be equal to 90 degrees.

nasty-shy [4]3 years ago

5 0

Acute
Acute
Equal to
I checked

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Jamie is trying to work out the surface area of the cuboid below. Spot any mistakes and write the correct answer.

umka21 [38]

Step-by-step explanation:

The dimensions of the cuboid are 5 cm, 7 cm and 9 cm.

The formula for the surface area of the cuboid is as follows :

$A=2(lb+bh+hl)$

We have,

b = 9 cm, l = 7 cm and h = 5 cm

So,

$A=2(9\times 7+9\times 5+7\times 5)\\\\A=2\times 143\\\\A=286\ cm^2$

Jamie forgets to multiply 143 by 2 as the formula for surface area contains 2 as well.

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3 years ago

Make q the subject of the formula <img src="https://tex.z-dn.net/?f=%20%5Cfrac%7Ba%7D%7Bp%20%7D%20%20-%20%20%5Cfrac%7Bb%7D%7

alukav5142 [94]

Answer:

q=bp

a- cp

Step-by-step explanation:

a - b = c

p q

Multiply through by pq

qa - bp = cpq

qa - cpq = bp

q [a-cq] = bp

q= bp

a-cp

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3 years ago

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yaroslaw [1]

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Step-by-step explanation:

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Question 6 of 10

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Step-by-step explanation:

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