2 years ago

Use the tables below to find (p - 7)(2). (P-9)(2)=

Mathematics

1 answer:

Papessa [141]2 years ago

7 0

Try using photomath it works very well

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In my number the digit in the ones place is double the digit in the tens place. the sum of the digits is 3

jasenka [17]

The number is 21 because 2 is 1 doubled, and 2+1 is 3.

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3 years ago

Let h(x) = x*2 + kw - 8. If h(-1) = -5, what is the value of h(4)?<br> Help

Alisiya [41]

Answer:

h(4) = 0

Step-by-step explanation:

Hoping its ' kx '

$h(x) = x^2 + kx -8 \\\\h(-1) = (-1)^2 + k(-1) - 8\\\\-5 = 1 - k -8\\\\-5 = -k -7\\\\-5 + 7 = -k\\\\2 = -k\\-2 = k$

Now we have k = -2. We will find h(4).

$h(4) = (4)^2 + (-2)(4) - 8 = 16 -8 - 8 = 0$

4 0

3 years ago

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5(x-7) = 6(x+2)<br>please help ... I got 11x = -23??

eimsori [14]

Answer:

$x = -47$

Step-by-step explanation:

1. Use the distributive property

5 ( x - 7 ) = 6 ( x + 2 ) → 5x - 35 = 6x + 12

2. Subtract 5x from both sides of the equation

5x - 5x -35 = 6x - 5x + 12 → -35 = x + 12

3. Subtract 12 from both sides

-35 - 12 = x + 12 - 12 → -47 = x

4. So, the answer is

$x = -47$

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3 years ago

Name the operation the should be done first in this expression: 10 - (3 + 4)

Maksim231197 [3]

Answer:

$Parenthesis$

Step-by-step explanation:

<u>To figure this question out, you must follow the rule:</u>

Parenthesis

Exponent

Multiply

Divide

Addition

Subtraction

As you can see, the first operation in PEMDAS is Parenthesis.

Meaning the first thing you do is the numbers in parenthesis

7 0

2 years ago

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What’s 2+2 I’m not sure what the answer is

QveST [7]

The answer would be 4

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3 years ago

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