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3 years ago

How could you use 1/8 measuring cup to measure 1/4 cups of water

Mathematics

2 answers:

RSB [31]3 years ago

8 0

Answer:

1/2 cup

Step-by-step explanation:

Two 1/8 cups = 1/4 cup Half of 1/2 cup = 1/4 cup.

sp2606 [1]3 years ago

8 0

You could use the 1/8 measuring cup twice because that would be 2/8 which is the equivalent to 1/4 with GCF of 2

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The function A = A 0 e -0.0077x models the amount in pounds of a particular radioactive material stored in a concrete vault, whe

AysviL [449]

Answer:

After 80 years 432 pounds of radioactive element will be remaining.

Step-by-step explanation:

A function $A_{t}=A_{0}e^{-0.0077x}$ models the amount of a radioactive material.

Here x = number of years taken for decay.

If $A_{t}=432$ pound and $A_{0}=800$ pound, then we have to calculate the time for decay.

$A_{t}=A_{0}e^{-0.0077x}$

$432=800e^{-0.0077x}$

$e^{-0.0077x}=\frac{432}{800}$

Take log on both the sides of the equation

$ln(e^{-0.0077x})=ln(\frac{432}{800} )$

-0.0077x = ln(0.54)

-0.0077x = -0.616186

x = $\frac{0.616186}{0.0077}$

x = 80.02 years

Therefore, After 80 years 432 pounds of radioactive element will be remaining.

6 0

3 years ago

Help please, I need it

OlgaM077 [116]

Answer:

2) c) (x-3)² + (y+2)² = 25

5) x^2 +y^2 -8x -16y +54 = 0

6) x^2 +y^2 -10x -12y +36 = 0

Step-by-step explanation:

2) The standard form equation for a circle is ...

(x -h)^2 +(y -k)^2 = r^2

You are given the center: (h, k) = (3, -2) and a point on the circle. So, the equation will be ...

(x -3)^2 +(y +2)^2 = r^2

Since we know a point on the circle we know that ...

(7 -3)^2 +(1 +2)^2 = r^2 = 16 +9 = 25

So, the circle's equation is ...

(x -3)^2 +(y +2)^2 = 25 . . . . . matches choice C

5) As in the previous problem, the standard form equation is ...

(x -4)^2 +(y -8)^2 = (-1-4)^2 +(7-8)^2 = 25+1 = 26

To put this in general form, we need to subtract 26 and eliminate parentheses.

x^2 -8x +16 +y^2 -16y +64 -26 = 0

x^2 +y^2 -8x -16y +54 = 0

6) A circle tangent to the y-axis will have a radius equal to the x-value of the center point.

(x -5)^2 +(y -6)^2 = 5^2

x^2 -10x +25 +y^2 -12y +36 = 25

x^2 +y^2 -10x -12y +36 = 0

8 0

4 years ago

Help i don’t know how to draw a histogram!!!

weeeeeb [17]

Answer:

the bars of histogram must touch with no space between

3 0

3 years ago

Help PLEASE im stucckkkk!!!

noname [10]

Answer:

Surface area of the cube = $150\ cm^2$

Step-by-step explanation:

Given shape in figure 1:

Cube with edge length = 5 cm

To find the surface area of the cube.

Solution:

The surface area of a cube is given by the formula:

$Surface\ Area = 6a^2$

where $a$ represents the length of the edges of the cube.

For the given cube $a=5\ cm$

Plugging $a=5\ cm$ in the formula to find the surface area of the cube.

$Surface\ Area = 6(5)^2$

∴ $Surface\ Area = 6\times 25 = 150\ cm^2$

8 0

4 years ago

What is the equation of the line that passes through the point (2,-6)and has a slope of −1?

Alecsey [184]

Step-by-step explanation:

Hey there!!

Just simply work with it.

We know that we have to use one point formula to find the equation of a st.line passing through point and slope is given.

So, just do accordingly.

The point is (2,-6) and slope is -1.

$(y - y1) = m(x - x1)$

Where, "m" is a slope.

Put all values.

$(y + 6) = - 1(x - 2)$

Simplify them to get answer.

$(y + 6) = - x + 2$

$y = - x - 4$

Therefore the equation is y= -x-4 OR can be written as x+y+4=0.

Hope it helps....

4 0

3 years ago

How could you use 1/8 measuring cup to measure 1/4 cups of water ​

How could you use 1/8 measuring cup to measure 1/4 cups of water