3 years ago

Help? Giving brainly!!

Mathematics

2 answers:

Bumek [7]3 years ago

6 0

Answer:

The answer is 17 - (-3) = 20

Step-by-step explanation:

Since the bird was already 17 feet above the water, and he dove 3 feet under, you add them to get the total distance. Anything minus a negative is equivalent to adding it, as the two negatives make a positve.

My name is Ann [436]3 years ago

5 0

Answer:

Step-by-step explanation:

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Zigmanuir [339]

Answer:

1234567

Step-by-step explanation:

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3 years ago

Which of the following best defines 3 to the power of 2 over 3 ? A.Square root of 9 B.Cube root of 9 C.Cube root of 3 D.Square r

blondinia [14]

The answer is b. Cube root of 9

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3 years ago

Read 2 more answers

What number makes the expressions equivalent? Enter your answer in the box. 1/2(–1.4m + 0.4) =__m + 0.2A) -1.4B) 1.4C) -0.7D) 0.

Snowcat [4.5K]

Answer:

C. -0.7

Explanation:

Given the equation:

$\frac{1}{2}(-1.4m+0.4)=\boxed{\square}_{}m+0.2$

First, distribute the bracket on the left-hand side:

$\begin{gathered} \frac{1}{2}(-1.4m)+\frac{1}{2}(0.4) \\ =-0.7m+0.2 \end{gathered}$

The number that makes the given expressions equivalent is -0.7.

The correct choice is C.

6 0

1 year ago

The sun is 93,000,000 miles from Earth. What is the value of the 3 in the number 93,000,000

Lostsunrise [7]

Answer:

three million

Step-by-step explanation:

3 0

3 years ago

Make a Matlab script to make row 2 of matrix A equal to first row of A multiplied by the negative of the first element of row 2

stira [4]

Answer:

$X=\begin{Bmatrix}2& 1 &10 \\-3 & 5 & 4\end{Bmatrix}$

Step-by-step explanation:

From the question we are told that

Matrix is given as $A=\begin{Bmatrix}2 & -1 & 10\\-3 & 8 & 4\end{Bmatrix}$

Generally let the change in matrix be given as X

$X_1_2 = 2*(-(-1)) + - 1 = 1X_2_2 = -3 * (-(-1))+ 8 = 5$

Matlab output

$A=[2 -1 10;-3 8 4]\\a=(A(1,1)*-A(1,2))+A(1,2)\\b=(A(2,1)*-A(1,2))+A(2,2)\\X=[A(1,1) a A(1,3); A(2,1) b A(2,3)]\\$

Generally the matrix that makes row 2 of matrix A equal to first row of A multiplied by the negative of the first element of row 2 plus the original row is

$X=\begin{Bmatrix}2& 1 &10 \\-3 & 5 & 4\end{Bmatrix}$

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3 years ago