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shtirl [24]
1 year ago
15

jack wants to weigh at most 176 pounds before the baseball season begins. he has already lost 15 pounds. he belives he can lose

1.5 pounds a week.if jack weighed 197 pounds before his weight loss about loss about how many week will it take for jack to get to his desired weight
Mathematics
1 answer:
VikaD [51]1 year ago
6 0
The answer will be 4 weeks. You know the constant is 1.5 lbs per week and you will multiply that by however many weeks it takes to reach 176
197-(1.5x) would be your equation and since he’s already lost 15 pounds you will include that by subtracting 15 from the equation as well 197-(1.5(4))=191
191-15=176
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Group of baseball fans can see home plate from a 40 meter tall building outside the stadium. The angle of vision has a tangent o
dimulka [17.4K]

Answer:

17.78 meters

Step-by-step explanation:

Let

x ----> the horizontal distance, in meters, to home plate

\theta ----> the angle of vision

we know that

tan(\theta)=\frac{40}{x} ----> by TOA (opposite side divided by the adjacent side)

we have

tan(\theta)=\frac{9}{4}

substitute

\frac{9}{4}=\frac{40}{x}

solve for x

x=40(4)/9\\x=17.78\ m

5 0
2 years ago
Describe in words the surface whose equation is given. (assume that r is not negative.) θ = π/4
Delvig [45]
An equation in the form \theta=\dfrac{\pi}{4} is the line 
that goes through the origins and whose tangent equates \dfrac{\pi}{4}. In general, any equation in the form \theta=\theta_0
is the equation of a line. 
7 0
2 years ago
Select the expressions that are equivalent to 18m - 12.
krok68 [10]

Answer:

All the expressions other than option E, is equivalent to the expression 18m - 12.

Step-by-step explanation:

A. 6m - 4 + 6m -4 + 6m - 4

or 6m+6m+6m -4 -4 -4

or 18m -12

B. 12m + 6 - 6m -6

or 12m - 6m + 6 - 6

or 6m

C.6(3m - 2)

or 18m - 12

D.3(6m - 4)

or 18m - 12

E. 24n - 4² + 8 -6m

This option can not satisfy the given expression as it contains another variable as n.

4 0
2 years ago
Say a certain service industry has 78.9 thousand jobs in 2003, but expects to increase at an average annual rate of 2.65 thousan
Alex_Xolod [135]

Answer:

33%

Step-by-step explanation:

In 2003, there were 78.9 thousand jobs in the industry and it increases annually by 2.65 thousand jobs from 2003 to 2013.

Hence, from 2003 to 2013, i.e. 10 years the jobs have increased by (2.65×10) = 26.5 thousand.

Therefore, the percent increase in jobs in the industry from 2003 to 2013 is given by \frac{26.5*100}{78.9} = 33.6 % ≈ 33%. (Answer)

4 0
1 year ago
which equation is in slope-intercept form and represents a line with slope 3 through the point (9,-4)
krek1111 [17]

Slope-intercept form is y = mx +b, where the variable m represents the slope of the line and the variable b represents the y-intercept of the line. Since we weren't given the y-intercept, one way to solve this problem is substitute the slope for the variable m and then the x and y values from the ordered pair to solve for b.

y = mx + b

y = 3x + b

-4 = 3(9) + b

Now, we can simplify by computing the multiplication on the right side of the equation.

-4 = 27 + b

Finally, we can find the value for b by subtracting 27 from both sides of the equation to get:

-31 = b

Now, we should substitute this value for b back into our equation with the slope.

y = 3x - 31

Therefore, your answer is y = 3x - 31.

Hope this helps!

6 0
2 years ago
Read 2 more answers
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