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konstantin123 [22]
2 years ago
7

Please answer thiss!!! I need ASAP!

Mathematics
1 answer:
Mademuasel [1]2 years ago
3 0

Answer:

Need to distribute negative sign between groups.

Step-by-step explanation:

- (3x - x^2 + 1) =

-3x + x^2 - 1

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. The diameter of Bubba's bubble is
Oksana_A [137]

Answer:

10.22

Step-by-step explanation:

2.45 * 10 =20.45 - 3.67 * 10 =30.67

30.67 - 20.45

30 - 20 = 10

.67 - .45 = .22

30.67 - 20.45 = 10.22

8 0
2 years ago
Rodney is going to spray paint all the surfaces of the ramp shown
bija089 [108]

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6

Step-by-step explanation:

6

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2 years ago
Read 2 more answers
Rationalize the denominator.
mel-nik [20]

Answer:

7sqrt(15) - 5sqrt(6)

------------------------------

45

Step-by-step explanation:

7 -sqrt(10)

-----------------------

3 sqrt(5) *sqrt(3)

7 -sqrt(10)

-----------------------

3 sqrt(15)

Multiply the top and bottom by sqrt(15)/ sqrt(15)

7 -sqrt(10)               sqrt(15)

----------------------- * ------------

3 sqrt(15)                 sqrt(15)


(7 -sqrt(10))* sqrt(15)

-----------------------------------

3 *15

Distribute


7sqrt(15) - sqrt(150)

------------------------------

45

sqrt(ab) =sqrt(a) sqrt(b)

150 = 25*6

7sqrt(15) - sqrt(25)sqrt(6)

------------------------------

45

7sqrt(15) - 5sqrt(6)

------------------------------

45

3 0
3 years ago
Ted analyzes how much sugar is in 3 popular candy bars. He records the data on the line plot below.
Fiesta28 [93]

Answer: 81 1/2

to determine the total amount of sugar we need to add

21 1/2 + 30 +30

^add the whole numbers the. add the fractions (21 +30+30) + (1/2)<<<

=81 + 1/2

which is equal to

81 1/2

4 0
2 years ago
Please help and give the reasons. <br> Given: 4(x - 8) = 2x + 12<br> Prove: x = 22
statuscvo [17]

Answer:

Step-by-step explanation:

Step 2 expansion of bracket

Step 4 grouping of like terms

Step 4 division property

4 0
3 years ago
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