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velikii [3]
3 years ago
10

Using the keys above, enter an expression equivalent to (-7x^2+4x-3)+(6x-15) using the fewest possible terms.

Mathematics
1 answer:
navik [9.2K]3 years ago
7 0

Answer:

Final answer in simplified form is -7x^2+10x-18

Step-by-step explanation:

Given expression is (-7x^2+4x-3)+(6x-15)

Now we need to find an equivalent expression for (-7x^2+4x-3)+(6x-15)

First we can distribute the positive sign and remove the parenthesis the combine like terms

(-7x^2+4x-3)+(6x-15)

=-7x^2+4x-3+6x-15

=-7x^2+4x+6x-3-15

=-7x^2+10x-18

Hence final answer in simplified form is -7x^2+10x-18

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what is the least whole number that has the remainders 10,12, and 15 when divided by 16, 18. and 21, respectively
AnnZ [28]

Answer:

1002

Step-by-step explanation:

First find difference between the divisors and remainders.

16-10=6\\18-12=6\\21-15=6

Here, the difference between the divisors and remainders is equal.

So, the required number is equal to LCM of (16,18,21)-6

16=2^4\\18=2(3^2)\\21=3(7)

LCM of (16,18,21)=2^4(3^2)(7)=1008

Required Number =1008-6=1002

7 0
3 years ago
The length of a table is 8 times longer then it’s width. If the perimeter is 72, how wide is the table?
Andrews [41]

Answer:

4 units wide

Step-by-step explanation:

Let the width of the table be 'w'

Given:

Perimeter of the table is, P=72

The perimeter of the rectangular table is given as the sum of all the sides of the rectangle. The sides include two lengths and two widths.

Length of the table is 8 times longer than its width. Therefore,

Length,L=8w

Now, perimeter is given as:

P=2L +2w\\P=2(8w)+2w\\P=16w+2w\\P=18w\\w=\frac{P}{18}

Now, plug in 72 for 'P' and solve for 'w'. This gives,

w=\frac{P}{18}\\\\w=\frac{72}{18}\\\\w=4

So, the table is 4 units wide.

6 0
3 years ago
Raul picks 20 flowers from his mother's garden. One fourth of them are purple. How many of the flowers are purple?
steposvetlana [31]
25% were purple and 30 percent another color
8 0
3 years ago
Read 2 more answers
What is the solution to the inequality +4 50?
kicyunya [14]

Answer:

d<-1.75

Step-by-step explanation:

4 0
3 years ago
How many square feet are in 100 m squared
Vikentia [17]

Answer:

100 Sq Mt = 1135.69 Sq Ft

Step-by-step explanation:

We are required to find how many square feet are in 100 m squared.

1 meter = 3.37 ft

1 metre x 1 meter = 3.37 x 3.37 Sq ft

1 Sq Mt = 11.3569 Sq ft

100 sq Mt = 100 x 11.3569 sq ft

100 sq mt = 1135.69 Sq ft

Hence

100 Sq Mt = 1135.69 Sq Ft

8 0
3 years ago
Read 2 more answers
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