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Anestetic [448]
3 years ago
9

The image is basically the question. I am in the middle of this test plz help!

Mathematics
1 answer:
julia-pushkina [17]3 years ago
8 0
The third one ——————
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The density of a certain material is such that it weighs 9 kilograms for every 7 cubic feet of volume. Express this density in p
Vadim26 [7]

Answer:

1.641× 10^-3 pounds/ cubic inch

Step-by-step explanation:

Density= mass / volume

Mass of the material= 9 kilograms

Volume= 7 cubic feet

Density= 9/7= 1.286 kg/ ft^3

Density= 1.286 kg/ ft^3

To Convert to pounds per inch

1 kg/ ft^3 = 0.00128 pound / cubic inch

1.286 kg/ ft^3 = X pounds/ cubic inch

X=( 1.286 × 0.00128)

= 0.0016407087 pounds/ cubic inch

= 1.641× 10^-3 pounds/ cubic inch

Hence,this density in pounds per inch is 1.641× 10^-3 pounds/ cubic inch

5 0
3 years ago
The ingredients for your skillet brownie cost $2. Your want your food cost for
goldfiish [28.3K]
$2 / 0.3 = $6.67

Check:

$6.67 * 0.3 = $2 :)
6 0
3 years ago
2.5 liters = _ gallons<br> Pls halp
Korolek [52]
2.5 liters = 0.66 gallons
4 0
4 years ago
I need help with number 3. I will mark brainliest and you get 50 points!! Please help me !!
RUDIKE [14]
Assuming you meant #13,
conditional: if you are a Clemson fan, then you root for the Tigers. T
converse: if you root for the Tigers, then you are a Clemson fan. F: not a Clemson fan and root for the Tigers as well
inverse: if you aren't a Clemson fan, then you don't root for the Tigers. F: if you aren't a Clemson fan and root for the Tigers.
contrapositive: if you don't root for the Tigers, then you aren't a Clemson fan. T

conditional: if a then b
converse: if b then a
inverse if not a then not b
contrapositive: if not b then not a

Hope this helps
5 0
3 years ago
1/3 + -7/4<br><br> I am very confused
Lesechka [4]

Answer:

-\frac{17}{21}

Step-by-step explanation:

Negative and positive is negative.

Negative and negative is positive.

Positive and positive is positive.

\frac{1}{3} +-\frac{7}{4}=\frac{1}{3}-\frac{7}{4} = -\frac{17}{12}

<u>Calculations</u>:

8 0
3 years ago
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