3 years ago

Show your work please

Mathematics

1 answer:

liubo4ka [24]3 years ago

3 0

Can you make the picture bigger it’s not letting me zoom

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Tristen is building 3 trophies using Legos. He needs 324 total Legos. Tristen uses 220 Legos for the largest trophy and 135 Lego

Alexeev081 [22]

Answer: 166

Step-by-step explanation:

Number of trophies = 3

Total Legos required for all trophies = 324

Number of Legos for largest trophy(A) = 220

Number of Legos for smallest trophy(B) = 135

Number of Legos required for final trophy(C)

Total Legos = [Number of Legos for largest trophy(A) + Number of Legos for smallest trophy(B) + Number of Legos required for final trophy(C)]

324 = 220 +135 + C

324 = 355 + C

324 - 355 = C

-31 = C

135 + 31 = 166

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3 years ago

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What is 1 and 1/2% of 400?

aniked [119]

$\bf {{ a}}\%\ of\ b \implies \cfrac{{{ a}}}{100}\cdot b\implies {{ a}}\div 100\cdot b\\\\
-----------------------------\\\\
thus
\\\\

\begin{cases}
{{ 1}}\%\ of\ 400 \implies \cfrac{{{ 1}}}{100}\cdot 400\implies {{1}}\div 100\cdot 400\\
--------------\\
{{ \frac{1}{2}}}\%\ of\ 400 \implies \cfrac{{{ \frac{1}{2}}}}{100}\cdot 400\implies {{\frac{1}{2}}}\div 100\cdot 400
\end{cases}$

you tell us

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3 years ago

(2^2 + 8) x 7 solve the following problem

tekilochka [14]

Answer:

Step-by-step explanation:

2^2=4

4 + 8=12

12 times 7= 84

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3 years ago

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What is the measure of XYZ ? O A. 68° O B. 22° O C. 136 O D. 34°

777dan777 [17]

C I believe i need more info on the question

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3 years ago

Sqrtx^2+6x+9 if x≥3 please help quick idk how to do this at all

katrin [286]

Answer:

x+3

Step-by-step explanation:

sqrt(x^2+6x+9)

factor

We know this is a perfect square trinomial

sqrt(( x+3)^2)

Taking the square root of a square

x+3

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3 years ago