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Crazy boy [7]
3 years ago
5

What is the sum of -45 and 17? -28 -62 28 -32

Mathematics
1 answer:
elena-s [515]3 years ago
4 0
Sum means to add, so just add -45 + 17. 

-45 + 17 = -28

The answer is: -28.
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Convert 0.008 to a percentage???<br><br> working out pleaseeee brainlest
lisov135 [29]

Answer:

0.8%

Step-by-step explanation:

8/1000 x 100%

8/10 = 0.8% or 4/5%

5 0
3 years ago
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3b + 7b with b = 4 <br> Please answer :)
jeka57 [31]

Answer:

40

Step-by-step explanation:

Substitute the variable, x, with 4

3(4) + 7 (4)

Multiply

3(4)= 12

7(4)= 28

12 + 28 = 40

5 0
3 years ago
A chocolate bar contains 50 calories and s of protein and makes a
Alla [95]

Answer:

He should serve 2 chocolate bars and 2 granola bars

Step-by-step explanation:

Let's define

x: amount of chocolate bar  

y: amount of granola bar

We are asked to solve the following optimization problem:

maximize 7*x + 2*y  

subject to

50*x + 25*y ≤ 150

5*x + 15*y ≥ 40

x ≥ 0

y ≥ 0

In the figure attached, the feasible region is shown. The solution is one of the vertex

vertex            objective function

(0, 2.667)       7*0 + 2*2.667 = 5.334

(2, 2)               7*2 + 2*2 = 18

(0, 6)               7*0 + 2*6  = 12

8 0
4 years ago
You roll a 6-sided die.<br> What is P(prime)?<br><br> Write your answer as a percentage.
posledela

\huge \underline\text {Hello There!!}

<h3><u>Given</u></h3>

Rolled A six-sided dice.

<h3><u>To </u><u>Find </u></h3>

P(Prime) as percentage

<h3><u>Solution</u></h3>

Total Possible Outcomes= 1, 2, 3, 4, 5, 6.

So, No. of possible Outcomes= 6

Prime number of the dice= 2, 3, 5

So, No. of favorable outcomes of Prime number= 3

<h3><u>We Know,</u></h3>

\text{Probability of an event= }

\frac{ \text{favorable no. of outcome}}{ \text{total no. of outcome}}  \times 100

\text{Percentage of Probability getting P(Prime) number on face of dice} =

\frac{3}{6}  \times 100 \\   \\ =  \cancel \frac{3}{6}  \times 100 \\  \\  =  \frac{1}{ \cancel2}  \times  \cancel{100} \\  \\  = 50\%

\therefore \% \text{ Probability of getting prime number is  \red{50}   \red\%}

<h3>Hope This Helps</h3>
8 0
3 years ago
HELP WITH THIS QUESTION PLZ
ki77a [65]

Answer:

y = 13 over 20x - 4

Step-by-step explanation:

Just use changing y over changing x

3 0
3 years ago
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