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bixtya [17]
2 years ago
5

Riley's monthly bank statement showed the following deposits and withdrawals:

Mathematics
1 answer:
pshichka [43]2 years ago
6 0

Answer:

$159.09

Step-by-step explanation:

Math

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Which expression is equivalent to (7 - 2x) + (-4x – 10)?
Free_Kalibri [48]

Answer:

this answer should be -6x - 3

Step-by-step explanation:

4 0
3 years ago
The ratio of the number of girls to the number of boys in choir is 4 to 5. There are 32 girls in the choir. How many boys are in
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what grade is this

Step-by-step explanation:

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3 years ago
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PLEASE HELP WILL MARK BRAINLIEST<br><br>Find the area of the right triangle.
sweet-ann [11.9K]

Answer:

Step-by-step explanation:

This right triangle is on a grid.

The area is the height * base/2

The base is on a line segment parallel to the x axis which is 6 squares.

The height is on a line segment parallel to the y axis which is 2 squares

The area is the height * base /2

Area = 6 * 2 /2 = 12/2 = 6 square units.

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3 years ago
Please help me solve these are quadratic equations: I​
julia-pushkina [17]

Answer:

\boxed {\boxed {\sf a= 3, b=7, c=2}}

\boxed {\boxed {\sf Y-intercept = c }}

\boxed {\boxed {\sf Minimum}}

Step-by-step explanation:

a. a, b, c

Quadratic equations in standard form are written as:

f(x)= ax^2+bx+c

The exponents are listed from greatest to least. The quadratic is already in this form, so match up the variables and values in the equation.

f(x)= 3x^2+7x+2

a=3 \\b=7 \\c=2

b. Y-intercept

The y-intercept for a quadratic is c.

You can also substitute 0 in for x, because the y-intercept occurs when the quadratic crosses the y-axis (at x=0).

f(0)= 3(0)^2+7(0)+2

f(0)=3(0)+7(0)+2\\f(0)= 0+0+2\\f(0)=2

We know that c=2, so the y-intercept is c.

c. Maximum/minimum

The entire quadratic is positive, so the quadratic opens up and has a minimum.

8 0
3 years ago
What is the explicit rule for the sequence?
Yanka [14]
This is an arithmetic sequence.
d= 0.5-3=-2.5
d= - 2.5
a(1)= 13
a(n) = a(1) +d(n-1)
a(n)=13-2.5(n-1)=13-2.5n+2.5= 15.5 - 2.5n
a(n)= 15.5 - 2.5n

Answer C. a(n)= 15.5 - 2.5n
3 0
3 years ago
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