3 years ago

Please help!!!!!

Mathematics

1 answer:

Mkey [24]3 years ago

8 0

The answer is 168 (4x7x6)

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Can someone help me with this question plzzzzz

Ann [662]

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$7d + d - 4d - 7 = 5d$

$8d - 4d - 7 = 5d$

$4d - 7 = 5d$

$5d = 4d - 7$

Subtract sides 4d

$- 4d + 5d = - 4d + 4d - 7$

$d = - 7$

Thus the correct answer is Option three.

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3 years ago

Write 1.375x10-6 in standard form

liq [111]

1 + .3 +.07+.005 x 10 - 6

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3 years ago

How many pieces of ribbon can you cut from 10 meters, if each piece is 4<br>cm long?

malfutka [58]

Answer:

answer:250 pieces

1 metre=100cm so

10metres =100*10 =1000cm

each piece is 4 CM long, so.,

no. of pieces=1000/4

by dividing by 2....

=500/4

again by dividing by2...

=250/1=250 pieces

so 250 pieces of ribbon can be cuttted from 10 metre long ribbon.

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3 years ago

Which relation is a function?

Leno4ka [110]

Answer:

The bottom left one

Step-by-step explanation:

They are the only graph that has one output for each x value

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2 years ago

Systems of Equations:

faust18 [17]

$v_b-the\ speed\ of\ the\ boat\\v_c-the\ speed\ of\ the\ current\\\\v_b+v_c=\frac{210}{10}=21\ (mph)\\\\v_b-v_c=\frac{210}{70}=3\ (mph)\\\\ +\left\{\begin{array}{ccc}v_b+v_c=21\\v_b-v_c=3\end{array}\right\\-----------\\.\ \ \ \ \ \ 2v_b=24\ \ \ \ /:2\\.\ \ \ \ \ \ \ \ \ v_b=12\ (mph)\\\\12+v_c=21\\v_c=21-12\\v_c=9\ (mph)$

$Answer:\\the\ speed\ of\ the\ both\ is\ 12mph\\the\ speed\ of\ the\ current\ is\ 9mph$

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3 years ago