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Orlov [11]
3 years ago
11

ILL GIVE BRAINLIEST AND 10 POINTS

Mathematics
1 answer:
Anit [1.1K]3 years ago
7 0

Answer:

432

Step-by-step explanation:

Rectangles Volume / Cubes Volume

9.4.3/2/1/2.1/2.1/2

54/1/8

54.8

432

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Determine the measure of the interior angle at vertex C.
Nadusha1986 [10]

Answer:

120 degrees.

Step-by-step explanation:

This is a pentagon so the interior angles add up to 540 degrees, so we have:

4x + 4x + 4x + 3x + 3x = 540

18x = 540

x =  30 degrees.

So m < C = 4*30 = 120 degrees.

7 0
3 years ago
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What is the measurement of this angle
olga nikolaevna [1]

Answer:

15

Step-by-step explanation:

6 0
3 years ago
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Nathan invested $3,500 in an account paying an interest rate of 3.5% compounded
Gnom [1K]

Answer:

\text{Compounded Quarterly:}

Compounded Quarterly:

A=P\left(1+\frac{r}{n}\right)^{nt}

A=P(1+  

n

r

​  

)  

nt

 

Compound interest formula

P=3500\hspace{35px}r=0.035\hspace{35px}t=19\hspace{35px}n=4

P=3500r=0.035t=19n=4

Given values

A=3500\left(1+\frac{0.035}{4}\right)^{4(19)}

A=3500(1+  

4

0.035

​  

)  

4(19)

 

Plug in values

A=3500(1.00875)^{76}

A=3500(1.00875)  

76

 

Simplify

A=6786.05963486

A=6786.05963486

Use calculator

A\approx 6800

<h2>A≈6800</h2>

Step-by-step explanation:

3 0
4 years ago
Solve the system of equations by graphing.
umka2103 [35]
ANSWER

The solution set is (4,6)


EXPLANATION


The first equation is

y =  - 3x + 18

The intercepts are:

(0,18) and (6,0).


We plot the intercepts and draw a straight line through them.


The second equation is,

3x - 2y = 0
This equation also passes through,

(0,0) and (1,1.5).

We plot this point too and draw a straight line through them.


The two straight lines intersect at (4,6).

See graph.

Hence the solution set is (4,6).


4 0
3 years ago
Read 2 more answers
What is the discriminant of 9х2 + 2 = 10x?
vredina [299]

\bf 9x^2+2=10x\implies 9x^2-10x+2=0 \\\\[-0.35em] ~\dotfill\\\\ \qquad \qquad \qquad \textit{discriminant of a quadratic} \\\\\\ \stackrel{\stackrel{a}{\downarrow }}{9}x^2\stackrel{\stackrel{b}{\downarrow }}{-10}x\stackrel{\stackrel{c}{\downarrow }}{+2}=0 ~~~~~~~~ \stackrel{discriminant}{b^2-4ac}= \begin{cases} 0&\textit{one solution}\\ positive&\textit{two solutions}~~\checkmark\\ negative&\textit{no solution} \end{cases} \\\\\\ (-10)^2-4(9)(2)\implies 100-72\implies 28

5 0
3 years ago
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