3 years ago

Can u pls help me with this question

Mathematics

1 answer:

ankoles [38]3 years ago

3 0

Answer:

20.5 ounces

Step-by-step explanation:

11.5+2.25s=?

11.5+2.25(4)=

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A stack of 150 pieces of paper is 2.5 cm thick how many pieces of paper are in a pile 6.5 CM thick

umka21 [38]

Find the scale factor of the height:

6.5cm / 2.5cm = 2.6

Multiply the known pages by the scale factor:

150 x 2.6 = 390 pieces of paper.

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3 years ago

A pet store has three fish tanks, each holding a different volume of water and a different number of fish. Tank A holds 40L and

Gwar [14]

Answer:

C, A, B

Step-by-step explanation:

C=0.127

A=0.125

B=0.120

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3 years ago

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Segment CD has endpoints (-4, 3) and (8, -1). Find the coordinates of the point that divides the line segment directed from C to

Diano4ka-milaya [45]

Answer:

$A(0.8,\ 1.4)\ \text{or }\ A\left(\dfrac{4}{5},\dfrac{7}{5}\right)$

Step-by-step explanation:

If point $A(x,y)$ divides the segment with endpoints $C(x_1,y_1)$ and $D(x_2,y_2)$ in the ratio $m:n,$

then

$x=\dfrac{nx_1+mx_2}{m+n}\\ \\y=\dfrac{ny_1+my_2}{m+n}$

In your case,

$C(-4,3)\\ \\D(8,-1)\\ \\m:n=2:3$

then

$x=\dfrac{3\cdot (-4)+2\cdot 8}{2+3}=\dfrac{-12+16}{5}=\dfrac{4}{5}=0.8\\ \\y=\dfrac{3\cdot 3+2\cdot (-1)}{2+3}=\dfrac{9-2}{5}=\dfrac{7}{5}=1.4$

Thus,

$A(0.8,\ 1.4)\ \text{or }\ A\left(\dfrac{4}{5},\dfrac{7}{5}\right)$

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3 years ago

The maximum temperature on the planet Mercury is 950°F. The minimum temperature is —346°F. What is the difference, in degrees Fa

katrin2010 [14]

The difference is 950 - (-346). The double negative turns into a positive, so it's basically 950 + 346 = 1296 degrees.

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3 years ago

One lap around the lake is 7/10 mile.<br> Dasha runs 9 laps around the lake.

Fynjy0 [20]

Answer:

63/10 = 6 3/10 miles

Step-by-step explanation

Multiply 7 times 9 = 63
Simplify 63/10 and get 6 3/10
So, Dasha runs 6 3/10 miles

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3 years ago