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andreyandreev [35.5K]
4 years ago
10

I just need help man

Mathematics
2 answers:
Ronch [10]4 years ago
8 0

When factoring find two numbers that when added together equal the second term (15) and when multiplied together equal the third term(56).

7 +8 =15 and 7x8 = 56

The factored answer is (x+7)(x+8)

Sergio [31]4 years ago
5 0

Answer:

(x+7)(x+8)

Step-by-step explanation:

By using calculator,

x= -8 & x= -7

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If x is a real number such that x^3 =64 then x^2 + x=?
liq [111]
X^3=64

x= 3 square root of 64

x=4

x^2+ square root of x= 4^2+ the square root of 4= 16+2=18
7 0
3 years ago
Point B (3,1) is translated 2 units to the right and 1 unit up. What is the coordinates of B'?
Simora [160]

If Point B (3,1) has translated 2 units to the right and 1 unit up, new coordinates of point B' are (5,2)

As per the question statement, Point B (3,1) is there on a cartesian plane. Point B is translated 2 units to the right and 1 unit up.

Before solving this question, we need to know about cartesian plane system in which, there are four quadrants which are made using positive and negative axes known as positive X and negative X (same for Y axis).

Now point B(3,1) lies in the first quadrant and value "3" describes the location of point on X axis and value "1" describes the location of point on Y axis.

If point B (3,1) is translated 2 units to the right and 1 unit up, the locations of X and Y axes will change to value "5" on X axis and value "2" on Y axis.

Hence the coordinates of point B' are (5,2)

  • Cartesian Plane: The x-axis and y-axis intersect to form the two-dimensional coordinate plane known as the cartesian plane in mathematics. The origin is the point at which the x- and y-axes cross perpendicularly.

To learn more about cartesian plane and coordinate geometry, click on the link given below:

brainly.com/question/25435002

#SPJ9

7 0
1 year ago
Given the Function:
sergey [27]
F(x)=-2e^x
x=3
f(3)=-2e^3
pemdas so exponents first
e^3
e=2.718281828454590
cube that
20.0855

now we have
-2 times 20.0855=-40.1711

answer should be -40.1711
(I see what you did wrong, if -6=-2 times e^3, divide -2, 3=e^3, maybe you just put -2 times 3 by mistake)
5 0
4 years ago
Read 2 more answers
Alexandra purchases two doughnuts and three cookies at a doughnut shop and is charged $3.30. Brianna purchases five doughnuts an
Gekata [30.6K]
Answer:1 donut=$0.75 and 1 cookie=$0.6

let c be the cookie and d be the dougnut

2d +3c = 3.30 ---eq 1
5d+ 2c = 4.95 ---eq 2


4 0
4 years ago
the cost to rent a jet ski is $80 per hour. you must also pay a flat fee of $25 for a lesson on how to use the jet ski. write th
motikmotik
Y=mx+b
y=80x+25
for every hour you must pay 80$
how many hours is X
and B is the rate you must pay anyway for the lesson and how many hours you have rented.
4 0
4 years ago
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