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Vinil7 [7]
3 years ago
15

PLEASE HELP!!!What mistakes did Cassandra make? Check all that

Mathematics
2 answers:
Pani-rosa [81]3 years ago
5 0

Answer:

That's not right please trust me it's

A)

B)

D)

Those are the correct answers! Yw :)

sertanlavr [38]3 years ago
4 0

Answer:

she used square unit instead of cubic units

in calculating the volume of the pyramid she didn't multiply by 1/3

she subtracted the pyramid volume instead of adding it

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i keel asking for the dang answer why wont anyone tell me it a store sells pencils pens and markers that sells two times as many
babunello [35]

Answer:

Pencils = 325 ; Pens = 975 ; Markers = 650

Step-by-step explanation:

Let :

Number of Pencils = x

Number of pens = y

Number of markers = z

2 times as many markers as pencils

z = 2x

3 times as many pens as pencils

y = 3x

x + y + z = 1950

Write z and y in terms of x in the equation :

x + 3x + 2x = 1950

6x = 1950

Divide both sides by 6

6x / 6 = 1950 / 6

x = 325

Number of pencils = 325

Pens = 3 * 325 = 975

Markers = 2 * 325 = 650

Pencils = 325 ; Pens = 975 ; Markers = 650

6 0
2 years ago
What is 4.345 x 10^5 in standard form?
zalisa [80]

Answer:

Choice D.)   434,500

Step-by-step explanation:

What is 4.345 x 10^5 in standard form?

4.345 x 10^5 = 4.345 *  100,000

multiply it out:

4.345 x 10^5 = 434,500

3 0
3 years ago
Pls help I hate math rectangular prism
nekit [7.7K]

Answer:

352.5cm^{2}

Step-by-step explanation:

A=3Rectangles+2Triangles\\=3*7.5*13.5+2*.5*6.5*7.5=352.5cm^{2}

8 0
2 years ago
20% of which number is 30?<br> A. 1.5<br> B. 6<br> c. 15<br> D. 150<br> E. 600
MrMuchimi
B is the correct answer
6 0
2 years ago
Read 2 more answers
What is the value of x?
defon

Answer:

X=35

Step-by-step explanation:

6X =45 SO ANSWER TO THE QUESTION IS 35

5 0
3 years ago
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