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VashaNatasha [74]
3 years ago
9

Find the missing number (i.e. the coefficient in front of x) so that the equation has no solutions: □x + 4 = 4x + 15

Mathematics
1 answer:
Rina8888 [55]3 years ago
4 0

Answer:

X=8

Step-by-step explanation:

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Use the table to identify values of p and g that can be used to factor X2 - x - 12
In-s [12.5K]

Answer:

D. 3 and -4

Step-by-step explanation:

Given the expression, x² - x - 12, let's factorise to find the value of p and q using the table, for which we would have the expression simplified as (x + p)(x + q)

From the table, let's find the values of p and q that would give us -12 when multiplied together, and would also give us -1 when summed together.

Thus, from the table given, the row containing the values of p(3) and q(-4) gives us = -1 (p+q) . p = 3, q = -4 would be our values to use to factor x² - x - 12, as multiplying both will also give us "-12".

Thus, x² - x - 12 would be factorised or simplified as (x + 3)(x - 4)

Therefore, the answer is: D. 3 and -4

5 0
3 years ago
Sara is training 50 miles bicycle race. She rides 9 miles everyweek and 15 miles every weekend. About how many miles she ride ea
Angelina_Jolie [31]
9 miles every week + 15 miles every weekend = 24 miles every 7 days =
24/7 = 3 3/7 miles per day
6 0
3 years ago
Ashley Sigler gave 2/5 of her bonus check of $255 to a missionary family. How much
STALIN [3.7K]

Answer:

102

Step-by-step explanation:

i think it is right

8 0
3 years ago
Box of cereal contains 23.4 ounces. Cost $5.49. What’s the cost per ounce?
Sedaia [141]

Answer:

it 4.262295082

Step-by-step explanation:

you have to divid the ounces by the cost

6 0
3 years ago
Given the exact value for sides a and c.
Over [174]

Answer:

See below

Step-by-step explanation:

a =  15 sqrt 2   sin 45

   = 15 sqrt 2  * sqrt( 2 ) /2  = 15 * 2 /2 = 15

sin 60 = a/c

sqrt(3)/2 = 15/c

   c =   15 / ( sqrt(3)/2) = 30 / sqrt 3 = 30 sqrt 3 /3 = 10 sqrt 3

5 0
2 years ago
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