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katrin [286]
2 years ago
15

Determine the number of grams of HCl that can react with 0.750 g of Al(OH)3

Mathematics
1 answer:
dusya [7]2 years ago
4 0

Answer: don't know sorry

Step-by-step explanation:

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The area of another rectangle is x² + 5x + 6. If one side measures (x + 2), what is the measure of the other
tiny-mole [99]
  • L=x+2
  • We need B

\\ \sf\longmapsto LB=Area

\\ \sf\longmapsto B(x+2)=x^2+5x+6

\\ \sf\longmapsto B(x+2)=(x+2)(x+3)

  • Cancel x+2

\\ \sf\longmapsto B=x+3

8 0
2 years ago
I need help on this please help!
Licemer1 [7]

Answer:

(b)0.56

(c)0.38

Step-by-step explanation:

(a)

P(Ben Pass) =0.8

Therefore: P(Ben fails)=1-0.8 =0.2

P(Tom Pass) =0.7

Therefore: P(Tom fails)=1-0.7 =0.3

See attached for the completed tree diagram

(b)Probability that both will pass

P(both will pass)=P(Ben pass and Tom pass)

=P(Ben pass) X P(Tom pass)

=0.8 X 0.7

=0.56

(c)The probability that only one of them will pass

Since either Tom or Ben can pass, we have:

P(only one of them will pass)

=P(Ben pass and Tom fails OR Ben Fails and Tom Pass)

=P(Ben pass and Tom fails)+P(Ben Fails and Tom Pass)

=(0.8 X 0.3) + (0.2 X 0.7)

=0.24 + 0.14

=0.38

8 0
3 years ago
How do you do this? Because I don’t get it
olganol [36]
Multiply by -1 each time to get the answer in the output
6 0
2 years ago
Read 2 more answers
What is the final equation in standard form of m=-6/7, b=3 1/7
arlik [135]
<span>We are given the slope and the y-intercept.

m=-6/7, b=3 1/7

We use the slope-intercept form of the equation of the line to get an equation.

y = mx + b

y = -6/7x + 3 1/7

Now we need standard form.
The x- and y-terms must be on the left side, and we need integer coefficients.

y = -6/7x + 22/7

Multiply both sides by 7.

7y = -6x + 22

Add 5x to both sides.

6x + 7y = 22
</span>
8 0
3 years ago
What the missing term is
arlik [135]

Answer:

10x . . . . . (Note the sign of the middle term is negative. 10x goes in the box.)

Step-by-step explanation:

The sum of the two roots is ...

... (5 -3i) +(5 +3i) = 10

In a quadratic with leading coefficient 1, the coefficient of the 1st-degree term is the opposite of the sum of the roots. Here, that means the middle term is -10x. The minus sign is given, so the answer is 10x.

_____

<em>How Do We Know?</em>

When "a" and "b" are roots of a quadratic in x, it has factors (x -a)(x -b). The product of those two factors is ...

... (x -a)(x -b) = x² -(a+b)x +ab

Here, that means the product of the factors (5 -3i)(5 +3i) is ab = 34, which it is. Their sum is (a+b) = 10, so the x-term is -(a+b)x = -10x.

6 0
3 years ago
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