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marusya05 [52]
2 years ago
12

Solve the equation=3x =15​

Mathematics
2 answers:
kati45 [8]2 years ago
8 0

3x = 15

x = 15/3

x = 5

Wewaii [24]2 years ago
8 0

Answer:

x = 5

Step-by-step explanation:

3x = 15

x = 15/3

x = 5

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Evaluate f(x) = x2 + 1 for f(10).
user100 [1]
F(10) = (10)^2 + 1
= 100 + 1
= 101
8 0
3 years ago
Please help meeeeeeeeeee
mixas84 [53]

Answer:

x=72

y=54

Step-by-step explanation:

1st question. y=54 because it is a bisector of the 108 degree angles. (a polygon's interior angles add to number of sides minus 2 times 180)

There are two ys, so they add up to 108. A triangle's interior angles add to 180. 180-108 =72 x=72

2nd question, x is 72 ( it says x is the same measure) so 180-72=2y.

y still equals 54

4 0
3 years ago
Read 2 more answers
A number is 42,300 when multiplied by 10 Find the product of this and 500?
Simora [160]
2115000

x*10= 42300

x= 4230

x*500

4230*500= 2115000

Hope this helps
4 0
3 years ago
Read 2 more answers
What is the value of f(5) in the function below <br> f(x)=3x
Colt1911 [192]

Answer:

f(5) = 3*5

f(5) = 15

6 0
3 years ago
Read 2 more answers
Kevin is 3 times as old as Daniel. 4 years ago, Kevin was 5 times as old as Daniel. How old is kevin now?
puteri [66]
K = Kevin's age
D = Daniel's age

K = 3D

K - 4 = 5(D - 4)

Plug in 3D for the K values in the second equation.

3D - 4 = 5(D - 4)   Use the Distributive Property
3D - 4 = 5D - 20   Add 4 to both sides
     3D = 5D - 16     Subtract 5D from both sides
    -2D = -16            Divide both sides by -2
       D = 8 
 Now, plug that D value into the original equation.

K = 3D    Plug in the D value
K = 3(8)   Multiply
K = 24

Finally, you can double check your math.

4 years ago, Daniel would've been 4 and Kevin would be 20, so Kevin would've been 5 times as old as Daniel.  And 8 x 3 = 24.

So, Kevin is 24.
3 0
3 years ago
Read 2 more answers
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