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miskamm [114]
3 years ago
13

How do u solve this??

Mathematics
1 answer:
xenn [34]3 years ago
5 0

Answer: <em>For the first one x = 3, -1 and for the second one is x = 4</em>

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Factor x2 – 6x – 7.
SpyIntel [72]
You can make an cb chart. so to equal -6 you need the numbers -7, 1. so now the equation is ( x - 7 )( x + 1 ). if you want to solve it set it equal to 0 and solve. 
5 0
3 years ago
Last year there were 30 booths at the carnival. This year there are 20% fewer booths. How many booths are there this year?
jenyasd209 [6]

Answer:

24

Step-by-step explanation:

20% of 30 = 6

30 - 6 = 24

8 0
2 years ago
What is the answer to this
LekaFEV [45]
4 \dfrac{3}{5} \times \dfrac{5}{12} =

= \dfrac{23}{5} \times \dfrac{5}{12}

You changed the mixed numeral into a fraction correctly.
Now you need to multiply the fractions.
Multiply the numerators together, and multiply the denominators together.

= \dfrac{23 \times 5}{5 \times 12}

Now we could multiply out the numerator and denominator, and then we'd need to reduce the fraction, but before we multiply, we see there is a factor of 5 both in the numerator and in the denominator, so we can reduce before we multiply.

= \dfrac{23 \times 5}{12 \times 5}

= \dfrac{23}{12}

= 1 \dfrac{11}{12}
6 0
3 years ago
Evaluate the following expression:
grigory [225]

Answer:

5.25

Step-by-step explanation:

7 0
4 years ago
For f(x) = -4x -9 evaluate for f(6.5)​
kolezko [41]

Answer:

f=−35

Step-by-step explanation:

<em>1.Simplify  4×6.5 to 26</em>

f=-26-9

<em>2. Simplify  -26-9 to  -35</em>

f=-35

7 0
3 years ago
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