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lara [203]
4 years ago
6

I need help!!!!!!!!!!!!!!!!!!!!!!

Mathematics
1 answer:
kherson [118]4 years ago
6 0

Answer:

29 multiple-choice questions

and 6 word problem questions

Step-by-step explanation:

let x be the number of multiple-choice questions

and y be the number of word problem questions

then:

x+y=35

2x+7y=100

x=35–y

2(35–y)+7y=100

70–2y+7y=100

70+5y=100

5y=100–70

y=30/5=6

since x+y=35

then x+6=35

then x=35–6=29

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Two of the vertices of a rectangle are (1, −6) and (−8, −6). If the rectangle has a perimeter of 26 units, what are the coordina
pantera1 [17]

Answer:(x_1,y_1)=(1,-2)

(x_2,y_2)=(-8,-2)

Step-by-step explanation:

Given

Co ordinates of vertices(1,-6) and (-8,-6)

When two points is given then Length of two points is given by

L=\sqrt{\left ( x_2-x_1\right )^2+\left ( y_2-y_1\right )^2}

L=\sqrt{\left ( 1-\left ( -8\right )\right )^2+\left ( -6+6\right )^2}

L=\sqrt{9^2}=9 units

Perimeter of rectangle is =26 units

Let the other side be x

thus

2\left ( x+9\right )=26

x+9=13

x=4 units

therefore to get the other two co ordinates

such that the length of that side is 4 units is

(x_1,y_1)=(1,-2)

(x_2,y_2)=(-8,-2)

Horizontal distance will remain same only vertical distance will change in given co ordinates to obtain the remaining two co ordinates

To verify the above two  distance between two points must be 13 units

6 0
3 years ago
Erika is working on solving the exponential equation 50x = 17; however, she is not quite sure where to start. using complete sen
Kryger [21]

Erika is working on solving the exponential equation 50^x = 17; The solution is x = 0.7242.

<h3>What is logarithm?</h3>

When you raise a number with an exponent, there comes a result.

Let's say you get

a^b = c

Then, you can write 'b' in terms of 'a' and 'c' using a logarithm as follows

b = \log_a(c)

'a' is called base of this log function. We say that 'b' is the logarithm of 'c' to base 'a'

Erika is working on solving the exponential equation 50^x = 17;

however, she is not quite sure where to start.

The equation is

50^x = 17\\

By taking the log both sides

log_a b = x\\\\a_x = b

By using the base formula

log_0 y = \dfrac{logy}{log b}

So, log_{50} 17= x\\\\

x = \dfrac{log17}{log 50}

x = 0.7242

Learn more about logarithm here:

brainly.com/question/20835449

#SPJ1

3 0
2 years ago
There are 19 boxes of cherries. This is 5 less than twice the number of boxes of kiwis. How many boxes of kiwis are there?
sasho [114]
All you have to do is 19+5 because it is 5 less. 19 is 5 less than the kiwis. so 19+5= 24.  


There is 24 boxes of kiwis
8 0
3 years ago
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Find the exact area of the shaded region
VikaD [51]
Don’t understand this kind of math
4 0
3 years ago
Find the volume of the pyramid.
zlopas [31]

Answer:

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A= ( 3 x 1 ) x 7 / 3

A= 3 x 7 / 3

A= 21 / 3

A= 7

8 0
3 years ago
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