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Digiron [165]
3 years ago
9

A teacher keeps track of how many books are read by students in each class .which grade has read a higher rate of books per stud

ent? how many more books does the other grade need to read to have the same rate

Mathematics
1 answer:
Vadim26 [7]3 years ago
3 0
7 grade needs to read 94 more books in order to catch up with 6 grade.

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Need help with 61. Show steps please.
skelet666 [1.2K]
Just do 3x+5+2x=90 And solve for x.

So, 5x+5=90
5x=85
x=85/5 = 17

now you know the value of x, so you can calculate the angles.

Btw the total angle of a triangle is 180, and since this is a right angle triangle, you know that the two angles added together needs to equal 90.
3 0
3 years ago
What does the Principle of Superposition tell us about relative ages of the strata in the cross-sections you were looking at? Ol
iogann1982 [59]

Answer:

1. The Principle of superposition states that a strata of rock is younger than the one over which it is laid.

2. The intrusion of the younger rock by the principle of cross-cutting relationship

3. The intrusion igneous rock arrived after the rock it is found in had already been in place and is stable.

Step-by-step explanation:

In geology, the Principle of superposition states that, in its originally laid down state, a strata sequence consists of older rocks over which younger rocks are laid. That is, a stratum of rock is younger than the stratum upon which it rests.

The principle of cross cutting relationships in a geologic intrusion occurrence, the feature which intrudes or cut across another feature is always than the feature it cuts across.

The reason is that based on the geologic time frame, the rock 1 which ws cut across by rock 2 was already in the geologic zone in a more steady state than rock , therefore it is older than the cutting rock 2.

6 0
3 years ago
Please help me on this question. 20 points guaranteed!!
julsineya [31]

Answer:

A cylinder with a volume of 27\pi cubic inches and a height of 3 inches

Step-by-step explanation:

  • Volume of a cylinder = \pir²h
    (where r is the radius and h is the height)

Volume = 27\pi

Height = 3

⇒ 27\pi = 3\pir²

⇒ 9 = r²

⇒ r = √9 = 3

So height = radius

7 0
2 years ago
Jeremy’s dad is making cupcakes for his birthday. He needs 50 cupcakes in all. So far he made 13 chocolate cupcakes and 15 vanil
Iteru [2.4K]

Answer:

22 cupcakes

Step-by-step explanation:

13+15=28

50-28=22

4 0
3 years ago
Read 2 more answers
Evaluate the expression 4x^4 y^3 when x=1/5 and y=6
wariber [46]

Answer:

5.5296

Step-by-step explanation:

to evaluate the expression 4x^4 y^3 we would substitute the value of x and y into it and evaluate. since x = 1/5 and y = 6

4x^4 y^3

4 × x^4 × 4× y³

4 × (1/5)∧4 × 4 × 6³

4× (0.2)∧4 × 4 × 216

4 × 0.0016 × 864

0.0064 × 864

5.5296

5 0
3 years ago
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