3 years ago

A painting measures 40cm by 35cm.how many squared cm does its surface cover?

Mathematics

1 answer:

Anuta_ua [19.1K]3 years ago

5 0

Answer:

1400 cm squared

Step-by-step explanation:

40*35=1400cm squared

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The student council has 10 members where 5 of the members are Seniors. They need to choose a President, Vice President, Secretar

natima [27]

Answer:

P=1/42.

Step-by-step explanation:

We know that the student council has 10 members where 5 of the members are Seniors. They need to choose a President, Vice President, Secretary and Treasurer. We calculate the probability that the President is a Senior:

We calculate the number of possible combinations:

$C_4^{10}=\frac{10!}{4!(10-4)!}=210$

Number of favorable combinations is 5.

Threfore, the probability is

P=5/210

P=1/42.

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3 years ago

What is the length of the vertical drop?

Sidana [21]

Let the value of the vertical drop be x
cos20°=x/11
x=0.9*11
x=9.9
Thus, the length of the vertical drop is 9.9 feet

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3 years ago

(03.01 LC)

Lynna [10]

Answer: root of 18
9+9=x^2
18=x^2
x = 3 root of 2 or root of 18

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3 years ago

Find the percent of decrease from 240 to 120. Round to the nearest tenth of a percent, if necessary.

KiRa [710]

the difference from 240 to 120 is 50%

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3 years ago

11. Write 343 with an exponent by using<br> 7 as the base.

dimulka [17.4K]

Answer:

343 can be written as

$7 {}^{3}$

Step-by-step explanation:

since we know,

343 = 7 × 7 × 7

so, we can write 343 as cube of 7

hence,

$343 = 7 {}^{3}$

5 0

3 years ago