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ExtremeBDS [4]
3 years ago
10

Consider the quadratic function that has x-intercepts of –1 and –7 and passes through the point (–2, –20). What is the value of

a in the factored form of this function?
Mathematics
2 answers:
iVinArrow [24]3 years ago
6 0
The correct answer is 4
andriy [413]3 years ago
3 0
Yes she is correct the answer is 4

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A piggy bank is full of dimes and quarters. The total
Talja [164]

She has  27 quarters and 73 dimes.

Write a system of equations.

Let x be the number of quarters, and y be the number of dimes.

x+y=100

0.25x+0.10y=14.05

Solve by substitution:y=100−x

∴0.25x + 0.10(100 - x) = 14.05

0.25x+10−0.10x=14.05

0.15x+10=14.05

0.15x=4.05

x=27

Solve for y now:

y+27=100

y=100−27

y=73

Hence, She has 27 quarters and 73 dimes.

A mathematical equation is a formula that uses the equals sign to represent the equality of two expressions. The meanings of the word equation and its cognates in various languages can vary slightly. For instance, in French, an equation is defined as having one or more variables, whereas, in English, an equation is any well-formed formula that consists of two expressions linked by the equals sign.

Finding the values of the variables that cause the equality to hold true is the first step in solving an equation with variables. The unknown variables are also known as the variables for which the equation must be solved, and the unknown variable values that fulfill the equality are known as the equation's solutions. Equations come in two varieties: identities and conditional equations.

To learn more about account form the given link:

brainly.com/question/10413253

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3 0
1 year ago
How many woods are there
nikitadnepr [17]
6 wooden sticks and one long wooden border
so totally 7 wood is there
I think this correct 
3 0
3 years ago
43. Which function has an x-intercept of 4?
Ulleksa [173]

Answer:

D

Step-by-step explanation:

When f(x) is equal to 0, x=4.

4 0
2 years ago
Please this a really easy question. Does this mean I got an A on this test?! Please answer!!!!!!!!!!!!!!!
AnnZ [28]

Answer:

yes it does. good job on your A.

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Write 28 + 24 as a product of two factors using the GCF and the distributive property
Harman [31]

Answer:

4 x 13

Step-by-step explanation:

GCD of 28 and 24 is 4

28 = 4 x 7

24 = 4 x 6

u take the 4 out

4 (7 + 6)

4 x 13

6 0
3 years ago
Read 2 more answers
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