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2 years ago

Y = x+1

Mathematics

1 answer:

12345 [234]2 years ago

8 0

Solve for the first variable in one of the equations, then substitute the result into the other equation.
Point Form:
(
−
2
,
−
1
)
(
-
2
,
-
1
)
Equation Form:
x
=
−
2
,
y
=
−
1

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R^2+15r+56=0 <br> Quadratics factoring

mylen [45]

Step-by-step explanation:

Find the product, sum and factors which are P=56, S=15 and F=8,7 respectively.

r²+15r+56=0

replacing with the factors in the equation

=> r²+8r+7r+56=0

r(r+8)+7(r+8)=0

(r+8)(r+7)=0

=> r= –8 and –7

6 0

3 years ago

The two-way table shows the number of houses on the market in the Castillos’ price range. A 6-column table has 4 rows. The first

zmey [24]

Answer:

The probability is 0.8

Step-by-step explanation:

if u see the table clearly, there are 30 houses in total with 2 bathrooms.

by the general definition of probability,

probability of an event P = $\frac{Number of desirable observations}{total number of observations}$

so, here 30 will be the denominator in the above formula(by definition).

from the table, in the 3rd column and 2nd row (desirable box) i.e, the one which represents 2 bathrooms and 3 bedrooms, has the entry as 24.

so, the numerator for above given formula will now become 24.

therefore probability P= $\frac{24}{30} =\frac{8}{10} =0.8$

So, the probability is 0.8.

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3 years ago

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Find AD if BD=6 and DC=8

Ludmilka [50]

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2 years ago

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During the mayoral election,two debates were held between the canidates. The first debate lasted 1 4/5 hours. The second one las

Andrews [41]

Answer:

$3\frac {6}{25} hrs \ or \ 3 hrs\ 14 mins \ 24 sec$

Step-by-step explanation:

The question calls requires one to get the product of the given time. Since first debate lasted for :

$1\frac {4}{5} \ hrs$

-and the second lasted

$1\frac {4}{5} hrs$ times more than the first then the second took then the first step will involve converting the mixed fractions into improper fraction which will be: