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4 years ago

Unit 1: Geometry Basics

Mathematics

2 answers:

Ivanshal [37]4 years ago

7 0

Answer:

The midpoint is ( -5.5, -4.5)

Step-by-step explanation:

Assuming R is the midpoint

To find the x coordinate of the midpoint, sum the x coordinates of the endpoints and divide by 2

( -4+-7)/2 = -11/2 = -5.5

To find the y coordinate of the midpoint, sum the y coordinates of the endpoints and divide by 2

( -6+-3)/2 = -9/2 = -4.5

The midpoint is ( -5.5, -4.5)

babunello [35]4 years ago

3 0

Answer:

I see your answers and your being very rude to people because some people just want answers but you just give them stupid explanations and I will be reporting you because that is not fair to others

Step-by-step explanation:

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Chubb early on a snack store and is showing Billy Bob how to make some of the items he sells currently he is showing Billy Bob h

vagabundo [1.1K]

$\bf \begin{array}{lccclll}
&\stackrel{lb}{amount}&\stackrel{lb}{price}&\stackrel{total}{price}\\
&------&------&------\\
\textit{plain popcorn}&p&3&3p\\
\textit{caramel popcorn}&c&2.2&2.2c\\
-------&------&------&------\\
mixture&10&2.5&25
\end{array}$

so hmm whatever "p" and "c" are, we know that p + c = 10.

and we also know that 3p + 2.2c = 25

thus

$\bf \begin{cases}
p+c=10\implies \boxed{c}=10-p\\
3p+2.2c=25\\
----------\\
3p+2.2\left(\boxed{10-p} \right)=25
\end{cases}
\\\\\\
3p+22-2.2p=25\implies 3p-2.2p=25-22\implies 0.8p=3
\\\\\\
p=\cfrac{3}{0.8}\implies p=\cfrac{15}{4}\implies p=3.75$

how much will it be needed for caramel popcorn? well, c = 10 - p.

4 0

3 years ago

Complete the activity to find the average marks if marks scored in maths test by

Evgen [1.6K]

Adding all the marks and dividing them by the total no. of students to get the average marks.

Avg. marks = (7+8+7+9+6)/5
Avg. marks = 37/5
Avg. marks = 7.4

8 0

3 years ago

Need help with this question plz

neonofarm [45]

Answer:

A (3,-2)

Step-by-step explanation:

x = t-1

y = -sqrt(t)

Let t= 4

x = 4-1 = 3

t = -sqrt(4) = -2

The (x,y) coordinate is (3,-2)

7 0

3 years ago

Factor out the greatest common factor: 16a3 - 8a5

Delvig [45]

8a³ (2 − 4a²) ;
________________________________________________
Note: " 8a³ " is the greatest common factor (GCF).

6 0

3 years ago

HELP ASAP with this question

mihalych1998 [28]

A, the student failed to distribute. In his step one, he got 3x + 2 =y, but it's actually 3x + 6 = y

I got this by distributing 3 to both x and 2, which is 3x and 6.

8 0

3 years ago