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Damm [24]
3 years ago
6

Evaluate the expression, if x = 9, y = 14, and z = 6. Xoy- z2

Mathematics
1 answer:
babunello [35]3 years ago
4 0

Answer:

90

Step-by-step explanation:

(9)(14) − 6²

= 126 − 6²

= 126 − 36

= 90

Hope this helps!

:)

:)

:)

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Brett has a $30 online gift voucher he plans to buy as many books as he can the cost of each book is $4 there is also a single s
Tasya [4]

Brett cannot spend more than $30, so the cost of the books and the shipping charge have to be less or equal to $30, we can express this as in an inequality, like this:

4n+2\leq30

Where n is the number of books purchased, since each book costs $4, 4 times n equals the total cost of the books and 2 is the shipping charge. We can solve for n in the inequality like this:

\begin{gathered} 4n+2\leq30 \\ 4n+2-2\leq30-2 \\ 4n\leq28 \\ \frac{4n}{4}\leq\frac{28}{4} \\ n\leq7 \end{gathered}

Then, brett can afford no more than 7 books.

3 0
1 year ago
% is the correct percentage conversion for 2/5
denis-greek [22]

Answer:

%40

Step-by-step explanation:

<u>Step 1:  Divide 2/5</u>

2/5 = 0.4

<u>Step 2:  Convert to Decimal by multiplying by 100</u>

0.4 * 100 = %40

Answer:  %40

6 0
3 years ago
Read 2 more answers
If a line has a slope of 4 and goes through the point open parentheses short dash 1 comma 1 close parentheses, then the equation
san4es73 [151]

A line is a one-dimensional shape that is straight, has no thickness, and extends in both directions indefinitely. The equation of the line will be y =4x+5. Thus, the correct option is C.

<h3>What is the equation of a line?</h3>

A line is a one-dimensional shape that is straight, has no thickness, and extends in both directions indefinitely. The equation of a line is given by,

y =mx + c

where,

x is the coordinate of the x-axis,

y is the coordinate of the y-axis,

m is the slope of the line, and

c is the y-intercept.

Given the slope of the line is 4 and it goes through (-1,1), therefore, the equation of the line will be,

y = mx + c

y = 4x + c

Substitute the value of points,

1 = 4(-1) + c

1 = -4 + c

5 = c

Hence, the equation of the line will be y =4x+5. Thus, the correct option is C.

Learn more about Equation of Line:

brainly.com/question/21511618

#SPJ1

3 0
2 years ago
20 squared root is between what two integers? add explanation
lutik1710 [3]
C: 4 and 5, because 5x4=20 hope it helps
7 0
3 years ago
PLEASE HELP!!! PLZ!!!
Helen [10]
We can use the vertex form
y = a {(x - h)}^{2}  + k
to find the equation of the graph. We know that a is the coefficient, and since the graph opens upwards and is slightly stretched vertically, we know that a is 1/3. On the graph, we see that the vertex of the parabola is at (0,-1). Therefore, h is 0 and k is -1.
Our vertex form equation is
y =  \frac{1}{3} {x}^{2}  - 1
Which is D
7 0
4 years ago
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