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Sunny_sXe [5.5K]
3 years ago
12

THESE are PSAT questions please help.​

Mathematics
1 answer:
cricket20 [7]3 years ago
3 0

Answer:

Ok so number 7 is x>4

Number 6 is b

Number 5 is correct

Idk the other one

❤️❤️❤️Hope This Helps❤️❤️❤️

You might be interested in
Enter numbers to write 0.000328
Makovka662 [10]

Answer:

3.28 x 10^-4


Step-by-step explanation:

0.000328 = 3.28 x 10^-4

7 0
3 years ago
F(x)=268 – 22x<br> The value of f(7) <br><br> 11.86 <br> 422<br> 114<br> -114
vagabundo [1.1K]

Answer:

114

Step-by-step explanation:

To evaluate f(7) substitute x = 7 into f(x), that is

f(7) = 268 - 22(7) = 268 - 154 = 114

6 0
3 years ago
The design on Santana’s wall includes 16 pink stripes and 20 green stripes. Find the ratio of pink stripes to green stripes.
tia_tia [17]
The ratio is 4:5
Divide both terms by 4
16/4 =4
20/4=5

8 0
3 years ago
The shaded sector of the circle shown above has an area of 18 pi square feet
Genrish500 [490]

Answer:

F

Step-by-step explanation:

Area of sector=pi*r^2*(theta/360) = pi*r^2*(45/360)

18*pi=pi*r^2*(1/8), r=12. Circumference is 24*pi

5 0
3 years ago
At 106°F, a certain insect chirps at a rate of 67 times per minute, and at 108°F, they chirp 83 times per minute. Write an equat
Step2247 [10]

Answer:

y=8x-781

Here, x represents temperature and y denotes rate of chirping per minute.

Step-by-step explanation:

Let x represents temperature and y denotes rate of chirping per minute.

At 106°F, a certain insect chirps at a rate of 67 times per minute.

Take (x_1,y_1)=(106,67)

At 108°F, they chirp 83 times per minute.

Take (x_2,y_2)=(108,83)

Slope intercept form:

y-y_1=(\frac{y_2-y_1}{x_2-x_1})(x-x_1)

y-67=(\frac{83-67}{108-106})(x-106)\\\\y-67=(\frac{83-67}{108-106})(x-106)\\\\y-67=(\frac{16}{2})(x-106)\\\\y-67=8(x-106)\\y-67=8x-848\\y=8x+67-848\\y=8x-781

3 0
3 years ago
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