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jarptica [38.1K]
3 years ago
6

I need to know what 5n-6n=0

t="5n - 6n = 0" align="absmiddle" class="latex-formula">
Mathematics
1 answer:
marin [14]3 years ago
4 0
Well n can be only 0 value
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the quadratic of a certain quadratic function has no x-interecepts which of the following are possible values for discriminants
Snowcat [4.5K]

Answer:

Some possible values are -5, -3, -2.

Step-by-step explanation:

Basically if d(discriminant)

d > 0 = 2 x intercepts,

d = 0 means one x intercept

d < 0  = 0 x intercepts

:) Hoped this helped :)

4 0
3 years ago
How do you solve <br> 2/3 [(5+3) ^-3]
vodka [1.7K]

\dfrac{2}{3}[(5+3)^{-3}]=\dfrac{2}{3}(8)^{-3}\\\\\text{use}\ a^{-n}=\dfrac{1}{a^n}\\\\=\dfrac{2}{3}\cdot\dfrac{1}{8^3}=\dfrac{2}{3\cdot512}=\dfrac{1}{3\cdot256}=\dfrac{1}{768}

7 0
2 years ago
Out of the 25 students in Mrs. Coulter's class, 15 are girls. In the school there are 390 boys. If the ratio of boys to students
GREYUIT [131]

Answer:

975 students

Step-by-step explanation:

This is a dense question. Let's look at it piece by piece:

1. The ratio of boys to students in the class is 10/25. If there are 25 students and 15 girls, that leaves 10 boys.

2. The question says that the ratio is in proportion of boys to total students in the school. "In proportion" in this case means that if we convert 10/25 to a fraction with numerator 390, the denominator is the amount of students in school.

3. 10x39=390. What you do the numerator you must do to the denominator: 25x39=975.

4. This means 975 students go to the school.

6 0
2 years ago
Read 2 more answers
If PQ = QR, find x. NEED HELP.
max2010maxim [7]

Answer:

x=-3,5

Step-by-step explanation:

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The answer is 1,1 . 3,-3, 5, -3
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2 years ago
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