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3 years ago

Please help and no links;)

Mathematics

1 answer:

FinnZ [79.3K]3 years ago

7 0

Answer:

3w + 8 = 2

Step-by-step explanation:

product of a number and 3 is w * 3

eight more than the above is 3w + 8

which is equal to 2

3w + 8 = 2

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If the volume of each case is 1,000 cubic inches, could she use a table with a top that measures 212 feet long and 112 feet wide

skad [1K]

Answer:

You could not use a table with a top that is 2 1/2 feet long and 1 1/2 feet wide

Step-by-step explanation:

<u><em>The complete question is</em></u>

Elena needs to find a table that will fit three cube-shaped cases, each containing a frog.If the volume of each case is 1,000 cubic inches, could she use a table with a top that measures 2 1/2 feet long and 1 1/2 feet wide?Explain

step 1

Find the length side of the cube-shaped case

we know that

The volume of the cube is equal to

$V=b^3$

where

b is the length side of the cube

we have

$V=1,000\ in^3$

substitute

$1,000=b^3$

solve for b

$b=10\ in$

step 2

Convert feet to inches

$1\ ft=12\ in$

we have

$2\frac{1}{2}\ ft=2.5 (12)=30\ in$

$1\frac{1}{2}\ ft=1.5 (12)=18\ in$

step 3

Compare the dimensions of the table with the dimensions of the cube-shaped case

30 > 10

The length of the table is greater than the length side of the cube

18> 10

The width of the table is greater than the length side of the cube

therefore

You could not use a table with a top that is 2 1/2 feet long and 1 1/2 feet wide

5 0

3 years ago

If 8x = 48, then x = . (Only input whole number) (1 point)

Gennadij [26K]

Answer:

Step-by-step explanation:

48/8 8x/8

6 x

x=6

6 0

3 years ago

Think About the Process van purchased a DVD player on sale. The original selling price was $171.50. The sale price was $146.35

DochEvi [55]

C is the answer your welcome :)

7 0

3 years ago

Read 2 more answers

Help me with my math homework please

prisoha [69]

21-
x is 18
$x + 3x + 18 = 90 \\ 4x + 18 = 90 \\ 4x = 90 - 18 = 72$
$x = \frac{72}{4} =18$

22- x is 50.5
$x + 58 + x + 21 = 180 \\ 2x + 79 = 180 \\ 2x = 180 - 79 = 101$
$x = \frac{101}{2} = 50.5$

23- x is 196/3
$2x + 8 + x - 24 = 180 \\ 3x = 24 + 180 - 8 = 196\\ x = \frac{196}{3}$

24- x is 88.5
$x + 15 + x - 12 = 180 \\ 2x = 180 - 15 + 12 = 177\\ x = \frac{177}{2} = 88.5$

25- x is 131

y is 180- 131=49

good luck

6 0

3 years ago

Lena rolled two number cubes and recorded the results. What is the experimental probability that the sum of the next two numbers

slamgirl [31]

Given:

Lena rolled two number cubes and recorded the results.

To find:

The experimental probability that the sum of the next two numbers rolled is greater than 5.

Solution:

If two number cubes rolled, then the total possible outcomes are:

(1,1), (1,2), (1,3), (1,4), (1,5), (1,6), (21,1), (2,2), (2,3), (2,4), (2,5), (2,6),

(3,1), (3,2), (3,3), (3,4), (3,5), (3,6), (4,1), (4,2), (4,3), (4,4), (4,5), (4,6),

(5,1), (5,2), (5,3), (5,4), (5,5), (5,6), (6,1), (6,2), (6,3), (6,4), (6,5), (6,6)

Total number of possible outcomes = 36

The possible cases in which the sum is less than or equal to 5 are (1,1), (1,2), (1,3), (1,4), (2,1), (2,2), (2,3), (3,1), (3,2), (4,1).

In 10 cases the sum is less than or equal to 5. So, the number of cases in which the sum is greater than 5 is:

$36-10=26$

So, the number of favorable outcomes = 26.

Now, the experimental probability that the sum of the next two numbers rolled is greater than 5 is:

$P=\dfrac{\text{Favorable outcomes}}{\text{Total outcomes}}$

$P=\dfrac{26}{36}$

$P=\dfrac{13}{18}$

Therefore, the required probability is $\dfrac{13}{18}$ .

8 0

3 years ago