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marysya [2.9K]
3 years ago
13

Frankie kept track of the total number of goals scored during the season by his soccer team. Frankie's graph shows that after tw

o games his team had scored a total of 5 goals. After three games the team had scored a total of 6 goals. After which game had the team scored a total of 14 goals? A. 4 B. 6 C. 8 D. 9

Mathematics
2 answers:
kobusy [5.1K]3 years ago
8 0

The answer is D. i just took the test!

timurjin [86]3 years ago
3 0
The correct answer is letter D. 9 games. To figure this out you need to understand that you are looking for 14 on the Y axis. This represents the number of goals. Then follow that down to which soccer game it applies to.
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24 candy bars cost $48.<br> How much do 10<br> candy bars cost?
timofeeve [1]
Answer: $20

$48/24 = $2 for each candy bar

10 candy bars * $2 = $20
8 0
2 years ago
What is the difference of 29.34 – 14.24? Pleasee help.
Delicious77 [7]

Answer:

15.1

Step-by-step explanation:

29.34

-14.24

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15.10

8 0
2 years ago
Please answer correctly !!!!! Will mark Brianliest !!!!!!!!!!!!!!
Sedbober [7]

Answer:

24/25

Step-by-step explanation:

Please see the attached image.

The cosine of an angle is the adjacent side relative to that angle over the hypotenuse.

Answer: 24/25

8 0
2 years ago
A line tangent to the curve f(x)=1/(2^2x) at the point (a, f(a)) has a slope of -1. What is the x-intercept of this tangent?
kirza4 [7]

Answer:

x-intercept = 0.956

Step-by-step explanation:

You have the function f(x) given by:

f(x)=\frac{1}{2^{2x}}   (1)

Furthermore you have that at the point (a,f(a)) the tangent line to that point has a slope of -1.

You first derivative the function f(x):

\frac{df}{dx}=\frac{d}{dx}[\frac{1}{2^{2x}}]  (2)

To solve this derivative you use the following derivative formula:

\frac{d}{dx}b^u=b^ulnb\frac{du}{dx}

For the derivative in (2) you have that b=2 and u=2x. You use the last expression in (2) and you obtain:

\frac{d}{dx}[2^{-2x}]=2^{-2x}(ln2)(-2)

You equal the last result to the value of the slope of the tangent line, because the derivative of a function is also its slope.

-2(ln2)2^{-2x}=-1

Next, from the last equation you can calculate the value of "a", by doing x=a. Furhtermore, by applying properties of logarithms you obtain:

-2(ln2)2^{-2a}=-1 \\\\2^{2a}=2(ln2)=1.386\\\\log_22^{2a}=log_2(1.386)\\\\2a=\frac{log(1.386)}{log(2)}\\\\a=0.235

With this value you calculate f(a):

f(a)=\frac{1}{2^{2(0.235)}}=0.721

Next, you use the general equation of line:

y-y_o=m(x-x_o)

for xo = a = 0.235 and yo = f(a) = 0.721:

y-0.721=(-1)(x-0.235)\\\\y=-x+0.956

The last is the equation of the tangent line at the point (a,f(a)).

Finally, to find the x-intercept you equal the function y to zero and calculate x:

0=-x+0.956\\\\x=0.956

hence, the x-intercept of the tangent line is 0.956

5 0
2 years ago
Want brainliest answer this
Marta_Voda [28]

12 x 11 = 132

3*12=36

132+36 = 168 square feet

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3 years ago
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