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3 years ago

PLEASE NO LINKS, I will report you.

Mathematics

2 answers:

FromTheMoon [43]3 years ago

7 0

Answer:

for 18 x is 6 and for 20 it is 11

Step-by-step explanation:

For 18, since -1+2x and 5+x is the same thing, set up and equation. WE can simplify to -1+x=5 and then we get x=6

For 20, 18 is 11 since 18=-4+2x. If we simplify we get 22=2x then we can use algebra to say that x=11

Hope this helps :)

olchik [2.2K]3 years ago

6 0

Answer:

18.) x = 6

20.) x = 11

Step-by-step explanation:

18.)

We know that line segments FC and ED are parallel to each other so they are congruent to each other:

-1 + 2x = 5 + x

-1 + x = 5

x = 6

20.)

We know that line segments DE and CF are parallel to each other so they are congruent to each other:

18 = -4 + 2x

22 = 2x

22/2 = x

11 = x

Hope this helps!

You might be interested in

Which exponential function goes through the points (1, 16) and (4, 128)?

djyliett [7]

Answer:

Here is the complete question (attachment).

The function which represent the given points are $f(x)=8(2)^{x}$

Step-by-step explanation:

We know that a general exponential function is like, $y=a(b)^{x}$

We can find the answer by hit and trial method by plugging the values of $(x,y)$ coordinates.

Here we are going to solve this with the above general formula.

So as the points are $(1,16)$ then for $x=1,\ y=16$

Can be arranged in terms of the general equation.

$ab^1=16$ ...equation(1) and $ab^4=128$ ...equation(2)

$a\times b=16, then\ a=\frac{16}{a}$

Plugging the values in equation 2.

We have

$\frac{16}{b} b^4=128,16\times b^3=128,b=\sqrt[3]{\frac{128}{16}} =\sqrt[3]{8}=2$

Plugging $b=2$ in equation 1.

We have $a=\frac{16}{b} =\frac{16}{2} =8$

Comparing with the general equation of exponential $a=8$ and $b=2$

So the function which depicts the above points = $y=8(2)^x$

From theoption we have B as the correct answer.

7 0

3 years ago

total amount = P (1 + i)t What is the total amount that First Consumer Bank will receive after lending Jane $7,000 for three yea

Mazyrski [523]

F = final amount = unknown

P = 7000 is the principal (amount loaned)

i = 0.05 is the decimal form of 5% interest rate

t = 3 years go by

Plug those three values into the formula below and simplify

F = P*(1+i)^t

F = 7000*(1+0.05)^3

F = 7000*(1.05)^3

F = 7000*(1.157625)

F = 8103.375

F = 8103.38

<h3>Answer: Choice A) $8,103.38</h3>

8 0

3 years ago

Suppose your current electricity meter reading is 25,789 kWh, and the reading on your last bill was 25,350 kWh. If you are charg

Brrunno [24]

The amount of bill is $43.15

Step-by-step explanation:

Given,

Current meter reading = 25,789 kWh

Reading on last bill = 25,350 kWh

Reading for the month = Current meter reading - Last month bill reading

Reading for the month = 25789 - 25350 = 439kWh

Cost per kWh = $0.0983

Cost of 439 kWh = 0.0983*439 = $43.1537

Rounding off to nearest hundredth

Cost of 439 kWh = $43.15

The amount of bill is $43.15

Keywords: subtraction, multiplication

Learn more about subtraction at:

#LearnwithBrainly

8 0

3 years ago

Hey guys I need some help, Ty :)

k0ka [10]

The answer is 8! Hope that helps! Please give brainliest hehe

3 0

3 years ago

Read 2 more answers

3x-2y=-5 and 4x+2y=-16

podryga [215]

Answer:

x=-22/4

y=-3

Step-by-step explanation:

3x-2y=-5

4x+2y=-16

we add the equation

7y=-21

y=-3

then we find the x by taking a random equation

I take 4x+2y=-16

4x+2(-3)=-16

4x-6=-16

4x=-22

x=-22/4

7 0

3 years ago