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Anarel [89]
2 years ago
12

Please refer to the pictures below

Mathematics
1 answer:
IRINA_888 [86]2 years ago
3 0

Answer:

D

8-2

Step-by-step explanation:

System of inequalities are

x + y ≥ 7

8x + 7y ≤ 82

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The answer is 23 
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5 0
3 years ago
What is the value of the expression below when a =−3, b =2, and c = −4 ?∣a2−2ac+5c? l
olchik [2.2K]

Answer:

<em>Value</em><em> </em><em>of</em><em> </em><em>the</em><em> </em><em>expression</em><em> </em><em>is</em><em> </em><em> </em><em>-35</em>

Step-by-step explanation:

Given \: expression \: is \\ {a}^{2}  - 2ac + 5c \\ values \: are \: a =  - 3 \:  \ \:  \:  \:  b = 2 \:  \:  \:  \: c =  - 4 \\ on \: substituting \: the \: values \ \\ in \: the \: given \: expression \\  { - 3}^{2}  - 2( - 3)( - 4) + 5( - 4) \\  = 9 - 24 - 20 \\    =  - 35

<em>HAVE A NICE DAY</em><em>!</em>

<em>THANKS FOR GIVING ME THE OPPORTUNITY</em><em> </em><em>TO ANSWER YOUR QUESTION</em><em>. </em>

3 0
3 years ago
In the figure below, triangle ABC is similar to triangle PQR, as shown below:
lyudmila [28]
I think the answer is b
7 0
3 years ago
Read 2 more answers
7) David bought a computer that was 20% off the regular price of $1080. If an 8% sales tax was added to the cost of the computer
Aneli [31]
Hello there! I can help you!

7. Okay. So the computer was originally $1,080, and the discount is 20%, but David would still have to pay 80% of the original price. To find the sale price, let's multiply. 1,080 * 80% (0.8) is 864. The sale price of the compuet is $864, but now we must add the sales tax to find the total price. We will multiply by 108%, because 100% (representing the price + 8% is 108%, and doing this will get us stright to the total price. 864 * 108% (1.08) is 933.12. There. David paid a total price of $933.12 for the computer.

8. Okay. So we are looking for the amount of discount for the sweater Suzanne bought. First off, let's subtract the prices to find the difference. 40 - 25 is 15. Now, let's divide that by 40 (the original price) to find the discount. 15/40 is 0.375. Or 37.5% when converted into a percentage. There. Suzanne received a 37.5% discount on the sweater when she bought it.

9. So the car was bought for x dollars. 0.88 represents 88%, so the value of the car is 88% of the previous year. An expression that is a way to describe the change in car value is x * (100 - 0.12)^t, because you car loses 12% of the remaining value each year, which leaves 88% of it remaining, and having the t as the exponent represents the number of years. That expression helps find the value of the car currently and can help you compare the values.
6 0
2 years ago
PLEASE HELP OR IM GET F
miss Akunina [59]
(8+15+8+3+12)/2+1=24th number will be median

So median is gonna be 21
8 0
2 years ago
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