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Yuliya22 [10]
3 years ago
15

Bx=-7    How do I solve?

Mathematics
1 answer:
balu736 [363]3 years ago
5 0
To solve for x
bx=-7
divide b on both sides
x=-7/b

to solve for b
bx=-7
divide x on both sides
b=-7/x
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Find the volume of a cube? 8 inches
kozerog [31]

A cube has all it sides equal.

The volume of a cube is given by Length x Length x Length

\begin{gathered} Volume=8X8X8inches^3 \\ \text{Volume = 512 inches }^3 \end{gathered}

5 0
11 months ago
The 7th term of an arithmetic sequence is 1, and the 20th term is -25. find the 25th term.
Natasha_Volkova [10]
A(7)=1
a(20)=25
a(25)=?

a(n)=a(1)+d(n-1)

a(7)=a(1) +6d=1         -11/13+6*24/13= 
a(20)=a(1)+19d=-25

a(1) +6d=1
a(1)+19d=-25 (subtract first equation from the second)
---------------------
      19d-6d =-26
       13d =-26
d=-2

a(1)=1-6d=1-6*(-2)=13

a(25)= a(1)+d(25-1)= 13+(-2) *24= 13-48=-35
7 0
3 years ago
Ramona has a new job as a chef. She earns the same
DaniilM [7]

Answer:

y = 10x  + 100

Step-by-step explanation:

Given the information:

She earns the same  amount per hour as she did in her old job $ 100 sign-on bonus

=> the equation for line p in the form y= mx  where:

  • x is the number of hour she worked
  • y the money she earned

=>  the equation for line q in the form y= mx + 100 ($ 100 sign-on bonus )

From that, we see that the two equations have the same slope or you can use a transformation to map line p onto line q

We can create two points (0, 0) and (2, 20) are on line p  

<=> m = \frac{y2-y1}{x2-x1} = \frac{20-0}{2-0} = 10

The equation for line p is y = 10x

=>The equation for line q should include the hourly earnings at the

new job plus the sign-on bonus. The equation is y = 10x  + 100

Hope it will find you well.

3 0
3 years ago
In an office,2/3 of the telephone bill is paid by Tom,1/5 paid by Azuma and the remaining by Tina. What fraction is paid by Tina
Marizza181 [45]

Answer:

4/15

Step-by-step explanation:

1 - 2/3 = 1/3

1/5 x 1/3 = 1/15 of the bill

1/15 of bill is paid by azuma

10/15 is by tom

so 1 - 10/15 - 1/15 = 4/15 by tina

8 0
3 years ago
Read 2 more answers
15-1.3*10 to the -3 power
liraira [26]
15- 13x/10000 that’s the answer simplified
7 0
2 years ago
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