2 years ago

Please help!

Mathematics

1 answer:

IgorC [24]2 years ago

3 0

Answer:

(1,-4) is in quadrant IV.

Step-by-step explanation:

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The question that says " a school has 1200 pupils "

Sonja [21]

How many girls like sports? well, what's 2/5 of 1200? well, is just their product, 2/5 * 1200.

how many boys like sports? well, what's 3/5 of 1200? 3/5 * 1200.

$\bf \cfrac{2}{5}\cdot 1200\implies \cfrac{2\cdot 1200}{5}\implies \cfrac{2400}{5}\implies \stackrel{girls}{480}
\\\\\\
\cfrac{3}{5}\cdot 1200\implies \cfrac{3\cdot 1200}{5}\implies \cfrac{3600}{5}\implies \stackrel{boys}{720}
\\\\\\
\textit{how many }\stackrel{students}{pupils}\textit{ like sports?}\qquad 480 + 720$

8 0

2 years ago

Find the exact length of the third side.<br> 75<br> 21

Margaret [11]

Bu using Pythagoras theorem
(x^2)+(21)^2=(75)^2
Therefore. 5625-441=(x)^2
X^2=5184
Therefore x=72
Third side length=72 units

7 0

3 years ago

Referring to the figure, find the volume of the solid<br> shown. Round to the nearest whole number.

mr_godi [17]

Answer:

846 m³

Step-by-step explanation:

The solid consists of a rectangular prism and a rectangular pyramid.

V = LWH + (1/3)LWh

V = 9 m * 6 m * 12 m + 1/3 * 9 m * 6 m * 11 m

V = 648 m³ + 198 m³

V = 846 m³

3 0

2 years ago

Explainnnnnn help me please

Georgia [21]

Answer:

99cm²

Step-by-step explanation:

area for a triangle = 1/2 x b x h

area = 1/2 x 11 x 18

area = 99cm²

6 0

3 years ago

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Write the expression (4x-2)•6(2x+7) in the form of a quadratic expression ax^2+bx+c. What are the values of the coefficients of

Dafna1 [17]

Answer:

Step-by-step explanation:

7 0

3 years ago