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3 years ago

What expression is equivalent to 13-(-21)

Mathematics

2 answers:

natka813 [3]3 years ago

6 0

Answer: 34

Step-by-step explanation:

the minuses cancel out to make it a plus so 13 plus 21 equals 34

Kruka [31]3 years ago

5 0

Answer:

13+21

Step-by-step explanation:

Remember this, two negatives equals a positive.

As a result, the answer is 13+21

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A cube and a net of the cube are shown. The edge length of the cube is labeled 5 centimeters. The net consists of 4 squares conn

Natasha_Volkova [10]

We will determine the surface area as follows:

$A=6(5cm\ast5cm)\Rightarrow A=150cm^2$

So, the total surface area is 150 cm^2.

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9 months ago

In the following exercises, multiply the binomials. Use any method.<br> 266. (3rs − 7)(3rs − 4)

Novay_Z [31]

Answer:

Hence the expression $(3rs-7)(3rs-4)=9r^2s^2-33rs+28$

Step-by-step explanation:

Explanation

The given expression is (3rs-7)(3rs-4).
We have to multiply the given expression.
Multiply the (3rs-7) by -4, multiply the (3rs-7) by 3rs then add like terms.

$\begin{matrix}{} & {} & {} & {} & 3rs & - & 7 \\ \times & {} & {} & {} & 3rs & - & 4 \\ \end{matrix}$

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$\begin{matrix}{} & {} & {} & - & 12rs & + & 28 \\ {} & {} & 9{{r}^2}{{s}^2} & - & 21rs & {} & {} \\ \end{matrix}$

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$\begin{matrix}{} & {} & 9{{r}^2}{{s}^2} & - & 33rs & + & 28 \\ \end{matrix}$

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1 year ago

What is the probability of spinning yellow?

JulijaS [17]

Answer:

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Step-by-step explanation:

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2 years ago

Which is greater 2.41 or 3.16

garri49 [273]

no sure if this is supposed to be a trick question or not but i would say its 3.16

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2 years ago

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Calculate the amount of drug in milligrams for the following dispensed containers;

qwelly [4]

We know, 1 oz = 28349.5 mg
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So, it would be: 198447 * 2%
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In short, Your Answer would be 3968.24 mg

Hope this helps!

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2 years ago

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