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Vaselesa [24]
3 years ago
8

Please help i'll give brainliest please dont attach file

Mathematics
1 answer:
vfiekz [6]3 years ago
8 0

Answer: 10=8 11=9 12=10 13=11 14=12 15=13 16=14 17=15

Step-by-step explanation:

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3^6 over 3^? = 3^4<br><br> What is the missing value?
netineya [11]
For the question mark, we can insert a variable considering it is an unknown number.

\frac{3^6}{3^x}  =  3^4 \\ \\ 3^{6-x} = 3^4 \ / \ use \ qotient \ rule \\ \\ 6 - x = 4 \ / \ cancel \ out \ 3 \\ \\ -x = 4 - 6 \ / \ subtract \ 6 \ from \ each \ side \\ \\ -x = -2 \ / \ simplify \\ \\ x = 2 \ / \ multiply \ each \ side \ by \ -1 \\ \\ Answer: \fbox {x = 2}
5 0
3 years ago
HELP ME PLS I DONT UNDERSTAND :( WILL MARK BRAINLIEST!!
Viktor [21]

Answer:

c

Step-by-step explanation:

To solve the equation we just substitute x with 7

so

5(7+3)

5*10

50

so the answer is c

(plz give brainliest)

3 0
3 years ago
A regular hexagon has an apothem measuring 14 cm and an approximate perimeter of 96 cm.
WINSTONCH [101]
Given:
hexagon
apothem of the hexagon: 14 cm
perimeter of the hexagon: 96 cm

Area of the hexagon = [(3√3) / 2] a²     ; where a is the measure of the side

hexagon has 6 sides.

Perimeter = 6a
96 cm = 6a
96 cm / 6 = a
16 = a

We can also use the area of a triangle to approximate the area of the hexagon. There are 6 triangles in the hexagon .

Area of a triangle = (height * base) / 2
A = (14 cm * 16 cm) / 2
A = 224 / 2 
A = 112 cm²

112 cm²  * 6 triangles = 672 cm²
4 0
4 years ago
Read 2 more answers
The ratio of salamanders to frogs is 6 to 7. If there are 9 salamanders, how many frogs are there?
ipn [44]

Answer

10

Step-by-step explanation:

salamander:frog

6:7

start by setting up the ratios as fractions and using <em>x</em> as the variable.

\frac{6}{7}=\frac{9}{x}

next cross multiply.

6x=63

x=10 i believe

8 0
3 years ago
Which year was the hottest? How do you know?
Kay [80]
You have to convert the fraction so the bottom number is 100
1900: 14/25=56/100
1910: 29/50=58/100
1920: 53/100
1930: 13/20= 65/100
1940: 3/5=60/100

Your answer would be 1930: 13/20= 60/100
6 0
3 years ago
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