4 years ago

Class 10R sat a test

Mathematics

1 answer:

Cerrena [4.2K]4 years ago

4 0

99% would of been boys so 1% of girls i think not sure

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Or Simplify. Express your answer as a single term using exponents. 303*9x303*9

dmitriy555 [2]

${303}^{9} \times {303}^{9} \\ = {303}^{9 + 9} \\ = {303}^{18}$

Answer:

${303}^{18}$

Hope you could get an idea from here.

Doubt clarification - use comment section.

6 0

3 years ago

Expresión is equivalent -1/4y-2 1/4y+1/2(4-2y)

Over [174]

Answer:

hello :

-1/4y-2 1/4y+1/2(4-2y) = -1/4y-2/4y+4/2 -2/2y

= ( -1/4 -2/4 - 4/4)y +2

= (-7/4)y + 2

8 0

4 years ago

Tell wheter x and y show direct variation. Explain your reasoning. x = 5/8y

inessss [21]

X varies directly as y would be
$x= y(\frac{5}{8} )$

x vairies inversly as y would be
$x= y(\frac{5}{8y} )$

not sure if the y is on the bottom or on top from looking at the question

5 0

3 years ago

Can anyone please help me with this

alekssr [168]

Answer:

Step-by-step explanation:

The correct explanation is A

$\frac{x^{m} }{a^{n} }$ = $a^{(m-n)}$

Thus

$\frac{9.2}{4}$ × $\frac{10^{8} }{10^{-3} }$

= 2.3 × $10^{(8-(-3))}$

= 2.3 × $10^{11}$

6 0

3 years ago

please help me..for some reason its not letting me print out the question because it says *dont use such phrases* but anyways

ahrayia [7]

She can make two triangle gardens with the six pieces of wood she has

5 0

3 years ago

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