2 years ago

O

Mathematics

1 answer:

Volgvan2 years ago

7 0

Answer:

Triangular prism?

Step-by-step explanation:

I done this riddle before but I dont remember to cleary of what the answer is.

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Tiffany buys a basket of watermelons on sale for $9 before tax.The sale tax is 9% What is the total price Tiffany pays for the b

Lelechka [254]

To find the price including tax (9%) you have to multiply it by 1.09.
y=9(1.09)
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3 years ago

liberty middle school is holding a fundraiser the sixth graders have raised 52% of thier goal amount the seventh and eighth grad

mario62 [17]

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3 years ago

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Julio says, "If you subtract 13 from my number and multiply the difference by -3, the result is -54 ." What is Julios's num

Alchen [17]

Answer:Julios's number is 31

suppose: Julios's number is x

because Julio says, "If you subtract 13 from my number and multiply the difference by -3, the result is -54 "

=> we have: (x - 13).(-3) = -54

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<=> x = 18 + 13 = 31

<=> x = 31

Step-by-step explanation:

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3 years ago

Please help!! Write the sum using summation notation, assuming the suggested pattern continues. -9 - 4 + 1 + 6 + ... + 66

fiasKO [112]

$r=-4-(-9)=-4+9=5 \\ \\ a_{1}=-9 \\ \\ a_{n}=66 \\ \\ a_{n}=a_{1}+(n-1)r \\ \\ -9+5(n-1)=66 \\ \\ -9+5n-5=66 \\ \\ 5n-14=66 \\ \\ 5n=80 \\ \\ n=16 \\ \\ S_{n}= \frac{a_{1}+a_{n}}{2} *n \\ \\ S_{n}= \frac{-9+66}{2}*16=57*8=456$

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3 years ago

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nata0808 [166]

Answer:

Hello dear,

5.102 ×10⁸km

300000000

2.4×10⁵

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please thank

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