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Temka [501]
3 years ago
10

Plz help me with this

Mathematics
1 answer:
Stella [2.4K]3 years ago
4 0

Answer:  9a²b

<u>Step-by-step explanation:</u>

\dfrac{18\cdot a^3\cdot b^2}{2\cdot a\cdot b}\quad =\dfrac{18}{2}\cdot a^{3-1}\cdot b^{2-1}\quad =\large\boxed{9a^2b}

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15 more than twice a number is -23
Ymorist [56]

Answer:

2x + 15 = -23

x = -19

Step-by-step explanation:

2x + 15 = -23

2x+ 15-15 = -23 -15

2x = -38

2/2x = -38/2

x = -19

3 0
4 years ago
How do you know when to rewrite square trinomials and difference of squares binomials as separate factors?
marta [7]

Answer:

A trinomial is an expression that has three terms.

Square trinomial

A square trinomial is simply a perfect square trinomial.

Difference of square binomials

This is easily identified because, the terms of the square binomials are perfect squares.

When cubes are added or subtracted, they can be expressed using the following

6 0
3 years ago
Two dice are rolled. Define the events as follows: A : sum of 7, B : doubles, C : sum of 8
love history [14]

Answer: for a sum of 7 would either be 6 and 1, 5 and 2 or 4 and 3. you can roll a double 1,2,3,4,5,6. the sum of 8 would be 2 and 6, 3 and 5 and a double 4,

Step-by-step explanation:

well the there are six sides on a die so 6 x 2 is 12 so the max sum you can get is 12. So you take 7 and you start adding up to 7, same thing for sum of 8. since there is 6 sides and a pair of dices you will roll six doubles

5 0
3 years ago
Describe the translation from the red figure to the blue figure.
SpyIntel [72]

Answer:

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Step-by-step explanation:

4 0
4 years ago
Read 2 more answers
Amber bought three 8 pound bags of dog food at $2.25 per pound, two 4 pound bags of cat food at $1.75 per pound, and three 1/4 p
Romashka-Z-Leto [24]

Answer:

Total = \$73

Step-by-step explanation:

Given

Three\ 8lb = \$2.25/lb --- Dog Food

Two\ 4lb = \$1.75/lb ----- Cat Food

Three\ \frac{1}{4}lb = \$6.98 -------- Fish Food

Required

Determine the amount spent

For Dog Food

1\ lb = \$2.25

Amber bought 8lb.

So, that is:

8 * 1\ lb = \$2.25 * 8

8\ lb = \$18

He bought 3 of those;

Cost = 3 * \$18

Cost = \$54

For Cat Food

1\ lb = \$1.75

Amber bought 4lb

So, that is:

4 * 1\ lb = 4 * \$1.75

4\ lb = \$7

He bought 2 of those;

Cost =2 * \$7

Cost =\$14

For Fish Food

1\ lb = \$6.98

Amber bought 1/4lb

So, that is:

\frac{1}{4} * 1\ lb = \$6.98 * \frac{1}{4}

\frac{1}{4}\ lb = \$1.745

He bought 3 of those;

Cost = 3 * \$1.745

Cost = \$5.235

Total amount spent  is:

Total = \$54 + \$14 + \$5.235

Total = \$73.235

Total = \$73 (approximated)

3 0
3 years ago
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