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anastassius [24]
1 year ago
9

A 11-foot ladder iS placed against a vertical wall of a building, with the bottom of the ladder standing on level ground 5

Mathematics
1 answer:
Maksim231197 [3]1 year ago
4 0

Answer: 8.49


This is the answer I did show the work how I did in the paper but I can’t take a picture of it sorry

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How do i simplify this expression -(f+3g-7)
pogonyaev

Answer:

-f-3g+7

Step-by-step explanation:

The negative sign on the outside of the bracket makes the numbers inside the brackets, the opposite sign. (minus becomes + and vis verser)

Have a nice day!!!!!!!!!!! :-)

<u>KA</u>

7 0
3 years ago
Mary is twice as old as Helen’s age, If 8 is subtracted from Helen’s Age and 4 is added to Mary Age? Mary will be 4 times as old
erik [133]

Answer:

set mary is x years old, and helen is y years old.

first sentence:x=2y

second one:4(y-8)=x+4

bring x=2y in 4(y-8)=x+4

=>4y-32=2y+4

=>2y=36

=>y=18

=>x=36

mary:36

helen:18

3 0
3 years ago
1) A population of genetically modified
TiliK225 [7]
This is a linear equation or y=mx+c. Where y is the number of mosquitos at a particular month and x is the number of months. We know the initial population of the mosquitoes is c=20. They population doubles every month so this is the gradient, m=2. Therefore the equation for the growth of the mosquito population is:
y = 2x + 20.

So after x= 10 months the mosquito population will be,
y=2(10)+20= 40.

There will be 40 mosquitoes after ten months.
7 0
2 years ago
Which of the following graphs of exponential functions corresponds to a geometric sequence with a first term of 4 and a ratio of
ser-zykov [4K]

Answer: graph E.


A geometric sequence can be written as:

a_{n} = a_{1} \cdot r^{(n - 1)}

where:

a₁ = first term = 4

r = ratio = 0.5


Substituting the numbers, we have:

a_{n} = 4 \cdot (\frac{1}{2})^{n-1}

or else

f(x) = 4 \cdot (\frac{1}{2})^{x - 1}


This is an exponential function with base less than 1. Therefore, we can exclude graph C (which depicts a linear function), and graphs A and D (which depict an exponential function with base greater than 1).


In order to choose between graph B and E, let's evaluate the function in two different points:

f(1) = 4 \cdot (\frac{1}{2})^{1 - 1} = 4

f(2) = 4 \cdot (\frac{1}{2})^{2 - 1} = 4 \cdot \frac{1}{2} = 2


Therefore, we need to look for the graph passing through the points (1, 4) and (2, 2). That is graph E.




3 0
3 years ago
Read 2 more answers
Which of the following transforms y = x' to the graph of y = (x + 5)22
Anni [7]

Answer: A translation 5 units to the left... brainliest?

Step-by-step explanation: edge 2020

6 0
2 years ago
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