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telo118 [61]
3 years ago
7

Which choices are solutions to the following equation? Check all that apply. x^2 - 3x = -5/4

Mathematics
1 answer:
Ulleksa [173]3 years ago
7 0

Answer:

The answer to this question is C.

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A helicopter descends at a rate of 450 feet per minute write the equation and sole the change in altitude of the helicopter afte
sweet [91]
Just divide the 450 by 5
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An item is priced at $13.04. If the sales tax is 5%, what does the item cost including sales tax? If necessary, round to the nea
NemiM [27]
The answer would be D
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Poison Ivy had $17.34 in her account. She wrote a check for $24.86. What will her account balance be when the check is cashed? F
Ierofanga [76]

Answer:

it would be negative you subrtract not add , the answer is -7.52

Step-by-step explanation:

5 0
2 years ago
WILL GIVE BRAINLIST SOON AS I CAN SOMEBODY PLEASE HELP ME ​
fgiga [73]

Answer:

A= 75.06 Sq Cm

Step-by-step explanation:

Please refer to the picture attached with this.

In ΔABD

AB = 8.5 , AD = 6 and say BD = x

Applying Pythagoras theorem in this triangle

Pythagoras theorem says

a^2+b^2=c^{2}

where c is the side opposite to the right angle, and b and a are the other two sides of the right angled triangle.

x^2+6^2=8.5^{2}

x^2=72.25-36

x^2=36.25

x=6.02

Hence side a = x +19

a = 6.02+19

a = 25.02

Now we apply the formula for area of a triangle which is given as

A=\frac{1}{2}\times b \times h

Where b is the base , here we have base as a = 25.02

h is the height , here h = 6

Putting these values in Formula we get

A=\frac{1}{2}\times 25.02 \times 6

A= 25.02 \times 3

A=75.06

Hence Area of the triangle is 75.06 sq cm

5 0
2 years ago
F(x)=x^2-x-1 What is the average rate of change of f over the interval -1<=x<=1
nalin [4]
In calculus, we use derivatives to find the instantaneous rate of change at any point on a graph. To find the average rate of change, we just find the slope of the secant line that intercepts two points on the graph.

We find slope with the following equation:

m =  \frac{y_1 - y_2}{x_1-x_2}

In this case, we are looking for the slope from x = -1 to x = 1. We have both x values, so next we need the y values.

F(-1) = (-1)^2 - (-1) - 1 = 1

F(1) = (1)^2 - (1) - 1 = -1

Now plug in the x and y values to find the slope:

\frac{1-(-1)}{-1-1} =-1

The answer is -1.
6 0
3 years ago
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