7.) The temperature at 7:00am in Madison, Wisconsin was -3.5°F. By 1:00pm the temperature had risen by 11.3°F. Choose the equation that shows the temperature, in degrees Fahrenheit, at 1:00pm.
1 point
-3.5 + 11.3 = 14.8
-3.5 - 11.3 = -14.8
-3.5 + 11.3 = 7.8
-3.5 - 11.3 = 7.8

answer: -2+√x,-2-√x

i hope this , i don't know if you're looking for a pair or not.

x ≥ 18 is your answer

step-by-step explanation:

let "a number" = x

(2/3)x + 17 ≥ 29

isolate the variable (x). do the opposite of pemdas (parenthesis, exponent (& root), multiplication, division, addition, subtraction).

first, subtract 17 from both sides.

(2/3)x + 17 (-17) ≥ 29 (-17)

(2/3)x ≥ 29 - 17

(2/3)x ≥ 12

next, multiply 3/2 to both sides to isolate the x

(3/2)(2/3)x ≥ 12(3/2)

x ≥ 12(3/2)

simplify. multiply, then divide

x ≥ (12 * 3)/2

x ≥ (36)/2

x ≥ 18

x ≥ 18 is your answer

~

b. 1.25 hr

step-by-step explanation:

if you have a constant speed of 60 mph, then you have a ratio between 60 mi. to 1 hr. dividing both sides by 60 we get the ratio

1 mi. to

then mult. both sides by 75 we get the ratio

75 mi. to

simplifying we get

75 mi. to

or 1.25 hr.