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tester [92]
3 years ago
13

Solve the equation. |K + 9| = 4

Mathematics
1 answer:
aalyn [17]3 years ago
6 0

Answer:

A) {-13,-5}

Step-by-step explanation:

Given expression:

|K+9|=4

We need to solve for K

Since K+9 lies in the absolute brackets, so we can write the solution as (|x|\ where\ x>0\ and\ x)  :

For K+9>0

K+9=4

For K+9

K+9=-4

Solving for K individually.

Subtracting both sides by 9.

K+9-9=4-9      and K+9-9=-4-9

K=-5              and K=-13

So, the solution can be written as {-13,-5}

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If Anthony has twice as nickels as one and one has 15 more nickels than Maria what is the value in dollars of Anthony's Nickels
worty [1.4K]

Answer:

Anthony has $2.10

Step-by-step explanation:

If Maria has 6 nickels and one has 15 more nickels than Maria, one has a total of 21 nickels. Since Anthony has twice the amount of nickels as One, you would multiply 21 by 2 to get a total of 42. It takes 20 nickels to make a dollar. If you divide 42 by 20 you get 2.1, which is equivaldnt to $2.10

4 0
3 years ago
Hi! Got a question.
Ghella [55]

Answer:

1600cm³

Step-by-step explanation:

Volume of a cylinder = πr²h

area of a circle = πr²

area of base circle = 200cm²

h = 8

200 * 8

= 1600cm³

6 0
3 years ago
Read 2 more answers
I need the answer please its due in 30 mins
valentinak56 [21]
I can’t see the photo attached
5 0
4 years ago
1/3 ( x - 10) = -4 ???​
Pepsi [2]

Answer:

x =  - 2

Step-by-step explanation:

1) Simplify 1/3 ( x - 10) to x-10/3.

\frac{x - 10}{3}  =  - 4

2) Multiply both sides by 3.

x - 10 =  - 4 \times 3

Simplify 4 × 3 to 12.

x - 10 =  - 12

4) Add 10 to both sides.

x =  - 12 + 10

5) Simplify -12 + 10 to -2.

x =  - 2

So, therefor, the answer is, x = -2.

4 0
3 years ago
How do you do it?I'm lost
Leto [7]

Answer and Step-by-step explanation:

The way you complete this is by taking each points x and y and applying the translation. In this case the translation is x-7 and y+1.

Q's x and y are 1 , 1

R's x and y are 1 , 5

T's x and y are 5 , 1

S's x and y are 5 , 5

Now what you do is use the translation on all of these values.

Q's x and y turns into -6 , 2 (subtracted 7 to the 1 and added 1 to the 1)

R's x and y turns into -6 , 6

T's x and y are -2 , 2

S's x and y are -2 , 6

You can then plot the points on the graph and connect the lines to complete the reflection.

Hope this helps ! !

<3

4 0
3 years ago
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