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zaharov [31]
3 years ago
10

Is 9(y-2) equivalent to 18- 9y

Mathematics
1 answer:
Rudik [331]3 years ago
7 0

Answer: yes sir!

Step-by-step explanation:

Distributive property

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The absolute value function, f(x) = –|x| – 3, is shown. What is the range of the function? all real numbers all real numbers les
Harman [31]

Answer:

  all real numbers less than or equal to –3

Step-by-step explanation:

Look at the y-values that the graph shows. There are none greater than -3. Any value of -3 or less is possible.

5 0
3 years ago
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Estimate each the quotient 78÷4 is about _____÷4
KonstantinChe [14]

Answer:

80

Step-by-step explanation:

The trick is to pick something that should be very easy to get an answer to. If you use a calculator, you are not estimating.  80 divide by 4 is like 8 divide by 4 which gives you 2. Then just add a zero. Here's another one you can try. Put your calculator away to do it. 12 chicken noodle  soup cans cost 14 dollars. About how much does 1 can cost

no cheating. No calculator. Is the cost of 1 can more or less than a dollar? If you said more, you've estimated correctly.

Try it the other way. Suppose one can of the soup costs 0.95 cents. How many will 12 cans cost? More or less than 12 dollars.

If you said less, you are estimating correctly. The most useful gift you can take away from any math class is estimation.

3 0
3 years ago
What is it mean? <br> a. 27.19 <br> b. 27.29 <br> c. 28.10 <br> d. 28.11
Len [333]
Mean is average so you sum up all 4 numbers and divide by 4. Answer is 27.6725 or rounded 27.67

Have a nice day. Hope this helps.
3 0
2 years ago
Complete the equation: x^2- 4x + _ = (_)^2
tino4ka555 [31]

Answer:

x^2-4x+<u>4</u>=(<u>x-2</u>)^2

Step-by-step explanation:

Have fun ✌️:)

7 0
3 years ago
PLEASE HELP ME NOW URGENT
timama [110]

ANSWER

y   = 3 \pm \sqrt{21}

EXPLANATION

The quadratic equation is:

{y}^{2}  - 6y - 12 = 0

Group variable terms:

{y}^{2}  - 6y = 12

Add the square of half, the coefficient of y to both sides.

{y}^{2}  - 6y  + ( - 3) ^{2} = 12 + ( - 3) ^{2}

{y}^{2}  - 6y  + 9= 12 + 9

The LHS us now a perfect square trinomial:

{(y - 3)}^{2}= 21

Take square root:

y - 3 =  \pm \sqrt{21}

y = 3 \pm \sqrt{21}

The first choice is correct.

8 0
3 years ago
Read 2 more answers
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