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3 years ago

Please help! Last question!

1 answer:

3 0

If you're multiplying the 2 exponents with the same base then you add the exponents.

$(d^3)^5$
$d^3^*^5$
$d^1^5$

Hope this helps :)

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The perimeter of the triangle below is 42 units. x + 5 Х x+7 What is the value of x?

pshichka [43]

Answer:

x + 5+x+7+Х=42units

3x=42-12

x=30/3

x=10

8 0

3 years ago

2) Evaluate the given numerical expression. A) 9 B) 12 C) 14 D) 21

eduard

Answer:

$\boxed{\sf{14}}$

Step-by-step explanation:

$\boxed{\underline{\text{ORDER OF OPERATIONS:}}}$

Use the order of operations.

Note: PEMDAS or BODMAS stands for:

PEMDAS

Parentheses
Exponents
Multiply
Divide
Add
Subtract

BODMAS

Brackets
Order
Divide
Add
Subtract

First, do parentheses.

3+6*(5+4)÷3-7

(5+4)=9

$\Longrightarrow: \sf{3+6* 9\div 3-7}$

Do multiply and divide.

6*9=54

54/3=18

Then, rewrite the problem down.

$\Longrightarrow: \sf{3+18-7}$

Add.

$\sf{3+18=21}$

$\sf{21-7=\boxed{\sf{14}}$

$\Longrightarrow: \boxed{\sf{14}}$

Therefore, the correct answer is "C. 14".

I hope this helps, let me know if you have any questions.

8 0

3 years ago

Solve each system by substitution. Y= -3x + 4 Y= 4x - 10

tatyana61 [14]

Answer:

Step-by-step explanation:

Y= -3x + 4..........(1)

Y= 4x - 10...........(2)

Substituting (1) into (2)

-3x + 4 = 4x - 10

-3x - 4x = -10 - 4

-7x = -14

x = -14/-7

x = 2

Putting x in (2)

y = 4(2) - 10

y = 8 - 10

y = -2

7 0

4 years ago

Write the equation of line AB, in slope-intercept form, given the points A(0, 6) and B(-6, -12). In your final answer, include a

Mamont248 [21]

Since A is on the y-axis, 6 is the y-intercept.

m = Δy ÷ Δx
m = (0 + 6) ÷ (6 + 12)
m = 6 ÷ 18
m = $\frac{1}{3}$

y = $\frac{1}{3}$ x + 6

7 0

4 years ago

Graph the following inequality and then select the correct graph below.

taurus [48]

The line may be dotted...

4 0

3 years ago

Read 2 more answers