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3 years ago

PLS NEED HELP

Mathematics

1 answer:

mr_godi [17]3 years ago

7 0

Answer:

D. The mean number of hours will decrease.

Step-by-step explanation:

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6r+8-17 -11r simplifies to what

ankoles [38]

Answer:

-5r-9

Step-by-step explanation:

You combine like terms. 6r - 11r is -5. 8-17 is -9. Simplified, it is -5r-9, or -9-5r.

8 0

3 years ago

At the beginning the water level is at 12.6m . Each hour it decreases 0.4cm . How many hours does it take for all of the water t

kompoz [17]

Answer:

First you want to ensure you are working with the same units

In this case I will change the 12.6m to cm

12.6m --> 1260cm

1260 / 0.4 = 3150 hours

8 0

3 years ago

Find c. Round to the nearest tenth.

Tresset [83]

$\frac{ \sin(105) }{2} \times 15 = 7.2$

4 0

3 years ago

A model for my number has

Vedmedyk [2.9K]

<u>Answer: </u>

A model for my number has 6 ones blocks, 2 hundreds blocks, and 3 tens blocks. The model number is 236.

<u>Solution: </u>

Given that the model has 6 ones blocks, 2 hundreds blocks, and 3 tens blocks. The model number can be found out by,

$\bold{\begin{array}{l}{=\text { (number of hundreds block } \times 100)+(\text { number of tens block } \times 10)+} \\ {\text { (number of ones block } \times 1)}\end{array}}$

Given that number of one blocks = 6 blocks. Hence we get $6 \times 1=6$

Number of ten blocks = 3.Hence we get $3 \times 10 = 30$

Number of hundred blocks = 2 .Hence we get $2 \times 100=200$

So the model number = 6 + 30 + 200

=236

Hence the model number is 236.

8 0

3 years ago

Help me lease love u guys <333

Nana76 [90]

Answer: 84 cm^2

Step-by-step explanation:

1/2bh

1/2(6x4)

1/2(24)

*multiply that by 4 for all of the sides*

for the square:

(6x6)

add them together to get 84 :) <3

7 0

3 years ago