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cricket20 [7]
3 years ago
15

I need HALP PLEASE I MARK BRAINLIEST WHOEVER ANSWER

Mathematics
2 answers:
Tpy6a [65]3 years ago
6 0

Answer:

18ft

Step-by-step explanation:

If every cube is 1/4th foot in volume, then 4 cubes would be equivalent to 1ft. The box we need to measure is 4 cubes high, we can just count how many little cubes are on the top side and the amount of cubes would be at a 1 to 1 with how many square feet in volume the box is.

I'm not confident in this explanation but id be happy to answer questions in comments.

Hope i helped!

Law Incorporation [45]3 years ago
3 0

Answer:

Answer is D

Step-by-step explanation:

Length:

6 x \frac{1}{4} = 1 \frac{1}{2}

Width:

3 x \frac{1}{4} = \frac{3}{4}

Height:

4 x \frac{1}{4} = 1

Now we multiply them all together! For the sake of keeping everything organized, everything will be the same (4ths)

1\frac{2}{4} x \frac{3}4} x 1 = 1\frac{1}{8}

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What is the arc length of the subtending arc for an angle of 72 degrees on a circle of radius 4?
skad [1K]
Use a portion of the circumference: pi x 2 x r x angle at centre =8xpix72/360 =8pi/5
3 0
3 years ago
Whatt are some inportant rules to dividing and multipling positives and negitives.
Lerok [7]
Positive × Positive = Positive
3 × 2 = 6
m × n = mn

Positive × Negative = Negative
8 × -4 = -32
m × -n = -mn

Negative × Negative = Positive
-5 × -4 = 20
-m × -n = mn
(-x) × (-x) = x²

The same rules apply for division as multiplication.
4 0
3 years ago
Please help I have been stuck for a while now
cricket20 [7]

Answer:

D

Step-by-step explanation:

The line-of best fit is where a line would be drawn if there was one. The line goes through the majority of the dots and doesn't touch the outliers. Also the line is strait.

5 0
3 years ago
Find the volume of a cylinder if the radius is 3 and the height is 9
Elis [28]

Answer:

81pi

Step-by-step explanation:

pi3^2=9pi

9pi * 9 = 81pi

3 0
3 years ago
Read 2 more answers
Two chemicals X and Y are to be mixed together to achieve a 16ml solution that is 7.4% water. Chemical x is 5% water and Y is 9%
makvit [3.9K]

Answer:

9.6 mL

Step-by-step explanation:

If x is mL of chemical X, and y is mL of chemical Y, then:

x + y = 16

0.05x + 0.09y = 0.074(16)

Solve the system of equations using substitution.

0.05(16 − y) + 0.09y = 0.074(16)

0.8 − 0.05y + 0.09y = 1.184

0.04y = 0.384

y = 9.6

You need 9.6 mL of Y.

8 0
3 years ago
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