3 years ago

Estimate the area of a rectangle with side lenghts 3.54 and 8.43cm

Mathematics

1 answer:

aleksandrvk [35]3 years ago

6 0

The answer is 29.8422cm
Working:
3.54 * 8.43 = 29.8422

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Ann is grouping 38 rocks.she can put them into groups of 10 rocks or as single rocks .what are the different ways Ann can group

photoshop1234 [79]

Answer:

3 and 8/10

Step-by-step explanation:

38/10=3.8 you can have three groups of 10 and 8/10 of another group

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3 years ago

18 science club members have birthdays in the summer. This is 20% of the birthdays in the club. How many club members are there?

swat32

18 * 5 = 90
90 represents 100%, because there are 5 20% in 100%

In total there are 90 club members
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4 years ago

1. The temperature was 80 ℉ in Arizona and then fell 20 ℉ during the night.

notsponge [240]

Answer:

1. 60 F 2. -6 F

Step-by-step explanation:

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3 years ago

Write an equation for each problem. The square of a number is 8 more than twice the number.

avanturin [10]

Answer:

The equation is equal to

$x^{2}=2x+8$

Step-by-step explanation:

Let

x -----> the number

we know that

The equation that represented the problem is equal to

$x^{2}=2x+8$

$x^{2}-2x-8=0$

Solve the quadratic equation by graphing

The solution are x=-2 and x=4

see the attached figure

therefore

The number can be -2 or 4

3 0

4 years ago

What's the value of<br><br><img src="https://tex.z-dn.net/?f=%20%5Csqrt%5B111%5D1%7B%7D%20" id="TexFormula1" title=" \sqrt[111]1

timurjin [86]

The answer is 111

Calculate square root of 1 to get 1

Multiply 111 x 1

=111

6 0

3 years ago

Read 2 more answers