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marshall27 [118]
3 years ago
5

Is (-5,17) a solution of y=3x+2?

Mathematics
1 answer:
Alchen [17]3 years ago
3 0

Answer:

no

Step-by-step explanation:

When solving this equation you would substitute the x coordinate for x and the y coordinate for y:

17=(3*-5)+2

Then multiply -5 and 3:

17=-15+2

Then, add it out and you will come to the conclusion that it equals negative 13 not 17. The correct answer would be (5,17).

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A sandwich decrease from $8 to $6 what is the percentage decrease
kati45 [8]

Answer:

25%

Step-by-step explanation:

First find the difference in price= $8-$6 = $2

Now, find percentage decrease in the price of sandwich.

Percentage decrease= (difference in price/ original price) *100

                                   = \frac{2}{8} *100

                                   =\frac{200}{8}

Percentage decrease=25%

                                                   

4 0
3 years ago
Give the digits in the ones place and the tenths place.<br> 68.23
Vlada [557]
Digit in ones place- 8
Digit in tenths place- 2
4 0
3 years ago
CDEF is kite and m A. 14 <br> B. 56 <br> C. 28 <br> D. 62
brilliants [131]

Answer:

Step-by-step explanation:

56

8 0
3 years ago
If the speed of a car is 20 m s^-1 then what is its speed in km h^-1 ?<br>#no spam​
ivanzaharov [21]
  • Speed in m/s=20m/s

We have to convert it to km/h

\\ \sf\longmapsto 20\times \dfrac{3600}{1000}

\\ \sf\longmapsto 20\times \dfrac{18}{5}

\\ \sf\longmapsto 4times 18

\\ \sf\longmapsto 72km/h

8 0
2 years ago
Read 2 more answers
PLEASE HELP ME!!<br><br> Find the measure of angle A:<br><br> Find the measure of angle B:
g100num [7]

Answer:

Measure of angle A is 65 degrees and measure of angle B is 37 degrees.

Step-by-step explanation: First add all of the degrees of excluding x (4+(-9)) which is -5. Then subtract that from 180 since that is the sum of all the angles in a triangle which gives you 185. Then divide it by the number of "x's" that there are which is 5 which gives you 37. So angle B is x which is 37 degrees and angle a is 2(37)-9 which is 65 degrees. Hope this helps.

3 0
3 years ago
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