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Anvisha [2.4K]
3 years ago
11

Find the x value so that the line through the points (x,-9) and (0,1) has a slope of -4

Mathematics
1 answer:
dezoksy [38]3 years ago
4 0
Find x in equation.
M = -4
y = m(x) + b \\ 1 = 0 + b \\ b = 1
y = m(x) + b \\  - 9 = ( - 4)(x) + 1 \\  - 10 =  - 4x  \\ x =   \frac{5}{2}

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Rachel is collecting donations for the local animal shelter. So far she has collected $245, which is 70% of what she hopes to co
Nata [24]

Answer:

The money Rachael plan to collect for the shelter is <u>$350</u>.

Step-by-step explanation:

Given:

Rachel is collecting donations for the local animal shelter.

So far she has collected $245, which is 70% of what she hopes to collect.

Now, to find the money Rachael plan to collect for the shelter.

Let the total amount Rachael plan to collect be x.

Amount she collected = $245.

Percentage of amount she collected = 70%.

Now, to get the amount Rachael plan to collect we put an equation:

70\%\ of\ x=\$245.

⇒ \frac{70}{100} \times x=245

⇒ 0.70\times x=245

⇒ 0.70x=245

<em>Dividing both sides by 0.70 we get:</em>

⇒ x=\$350.

Therefore, the money Rachael plan to collect for the shelter is $350.

4 0
4 years ago
Part A: Describe in words how you can find the rate of change of a bushel of corn in the current year, and find the value.
katrin [286]
A is the right answer because it me
3 0
3 years ago
The area model represents the quotient of 108 ÷ 9. Which equation shown by the area model can be used to find the quotient?
Rzqust [24]

Solution :

Given that the area model that represents a quotient of 108 ÷ 9.

So, we multiply 9 by multiples of 10 to \text{estimate the quotient.}

10       20      30       40      

90      180     270     360    

Because 108 is between 90 and 180, the quotient lies between 10 and 20.

Using 10 as the first partial quotient in the area model for 108 ÷ 9,

9 x 10 = 90 ,         so 108 - 90 = 18

Now, 9 x 2 = 18,   so 18 - 18 = 0

∴ 10 + 2 = 12

Therefore, the quotient of 108 ÷ 9 is 12.

5 0
3 years ago
IF ONE THIRD OF THE SCHOOL STUDENTS LIKE MATHEMATICS AND 400 STUDENTS DO NOT LIKE MATHEMATICS , THEN HOW MANY STUDENTS DOES THE
boyakko [2]

Answer:

There are 600 students in this school.

Step-by-step explanation:

Let p represent the total population of the school.

Then (1/3)p represents the number of students who like math.  Subtracting this (1/3)p from p gives an expression representing those who do not like math:  

p - (1/3)p = (2/3)p

400 students do not like math, so (2/3)p = 400.

Solve this for p by multiplying both sides by (3/2):

(3/2)(2/3)p = (3/2)(400), which simplifies to p = 600.

There are 600 students in this school.

8 0
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What is the definition of i? What do we use it for?
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I is an imaginary number used to find the square root of a negative number.
sqrt-1 is 1i
sqrt-16 is 4i and so on
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3 years ago
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