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Veronika [31]
2 years ago
7

-4(6-b)=4 show work plz

Mathematics
1 answer:
igomit [66]2 years ago
7 0

Answer:

b= 7

Step-by-step explanation:

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Please help, due tonight.
VashaNatasha [74]
A. slope intercept form is y=mx+b where m is your slope and b is your y-intercept. Since it gives you the slope (4) and the y-intercept (-9) all you have to do is plug it into the equation to get y=4x-9

b. This one is a little bit trickier but by no means impossible. the first thing we want to do is find the slope, and in order to do this we take the second y minus the first and divide it by the difference of the second x and the first x. the way that would look in this case is (10-6)/(4-0) and when we simplify this we get 4/4=1 
Since our slope is 1, we just need to find the value of y when x=0, In this problem it is given to us with the point (0,6) if we plug both of this into our equation we get y=x+6 (the 1 in front of the x is optional
4 0
3 years ago
Solve for x: 4 over x equals 5 over 10 8 9 20 40
Sati [7]

\frac{4}{x} =\frac{5}{10}   [4 over x equals 5 over 10]  

Solve for x, so you need to isolate/get x by itself in the equation.

\frac{4}{x} =\frac{5}{10}       Multiply x on both sides

(x)\frac{4}{x}=\frac{5}{10} (x)

4=\frac{5}{10} x       Multiply the inverse of 5/10, which is 10/5, to get rid of the fraction and get x by itself

(\frac{10}{5} )4=(\frac{10}{5} )\frac{5}{10} x

\frac{40}{5} =x

8 = x

4 0
3 years ago
How do you factorise x^2 - 9.
Zinaida [17]
X ^ 2 - 9

= x ^ 2 - 3 ^ 2

It turns into 3 ^ 2
Because 3 ^ 2 = 9

The final answer is
= ( x + 3 )( x - 3 )

remember the formula :

a^2 - b^2 =(a+b)(a-b)
4 0
3 years ago
Timothy is filling fish bowls with pebbles at his fish store. He wants to have $\frac{1}{6}$ of a pound of pebbles in each fish
Luba_88 [7]

Answer:

14

Step-by-step explanation:

Given that:

Each fish bowl to have pebbles of weight equivalent to = \frac{1}{6}

Total pounds of pebbles that Timothy can use = 2\frac{1}{3}

To find:

The greatest value of Total number of fish bowls that Timothy can fill ?

Solution:

First of all, we need to convert mixed fraction into a fractional number and then we also need to see division of two fractions.

Formula:

1. \ p\dfrac{q}{r} = \dfrac{p\times r+q}{r}\\2. \ \dfrac{\frac{a}{b}}{\frac{c}d}=\dfrac{a\times d}{b\times c}

Now, the given mixed fraction can be converted to fractional number as:

2\dfrac{1}{3} = \dfrac{2\times 3+1}{3} = \dfrac{7}{3}

Now, To find the total number of fish bowls that can be filled, we need to divide the total number of pounds with number of pounds of pebbles in each fish bowl.

So, the answer is:

\dfrac{\frac{7}{3}}{\frac{1}{6}}\\\Rightarrow \dfrac{7\times 6}{3\times 1}\\\Rightarrow \dfrac{42}{3}\\\Rightarrow \bold{14}

<em>14</em> number of fish bowls can be filled.

3 0
3 years ago
Round 3550 to nearest 1000
ICE Princess25 [194]
3550 to the nearest 1000 would be 4000 
4 0
3 years ago
Read 2 more answers
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