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ASHA 777 [7]
2 years ago
5

Which expression is equivalent to (3b + 2r)+(4b + r)

Mathematics
1 answer:
Vesna [10]2 years ago
6 0

Answer:

7 b + 3 r

Step-by-step explanation:

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A blue die and a red die are rolled. how many outcomes have neither die showing 2?
Katen [24]

The outcomes with neither die showing 2 is 25

<h3>How to determine the outcomes with neither die showing 2?</h3>

The sample sizes of the dice are given as:

Blue die = 6

Red die = 6

The outcomes with neither die showing 2 is

Outcomes = Red die * blue die - (blue die + red die) + 1

So, we have:

Outcomes = 6 * 6 - (6 + 6) + 1

Evaluate

Outcomes = 25

Hence, the outcomes with neither die showing 2 is 25

Read more about dice at:

brainly.com/question/13632618

#SPJ1

3 0
1 year ago
A 2 cm x 2 cm x 2 cm cube holds 468 grains of rice. How many grains of rice would fit in a box with
Amiraneli [1.4K]
Let the Volume of the first cube be V1

V1 = 2 * 2 * 2

= 8 cm*3


Let the Volume of the second cube be V2

V2 = 6 * 2 * 12

= 144 cm*3


Now, cube1 with volume of 8 cm*3 holds 468 grains of rice.

Thus, 1 cm*3 volume can hold 58.5 grains of rice ( 468 / 8 = 58.5)

Cube2 has volume of 144 cm*3.

Hence, it can hold 8424 grains of rice ( 144 * 58.5 = 8424)
4 0
3 years ago
7 x 7 using an exponent
andriy [413]

Answer:

7²

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
I need help please thank
laiz [17]
Distributive is used in this problem
6 0
3 years ago
Find k such that the roots of the quadratic are real, rational, and equal: 9x^2+kx+1=0
Georgia [21]

Answer:

Step-by-step explanation:

9x^2+kx+1=0

k= -9x-1/x

4 0
2 years ago
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