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Fynjy0 [20]
3 years ago
15

I need help! will give 5 star rating

Mathematics
1 answer:
lara31 [8.8K]3 years ago
6 0

Question 1:

m + 4.6 = 7.1

Subtract 4.6 from both sides

M = 2.5

Question 2:

k - 3 7/10 = -5 3/5

turn the mixed fractions into improper fractions

k - 37/10 = -38/5

add -37/10 to both sides

k = -39/10

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5 times a number plus nine​
Savatey [412]

Answer:

5x + 9

Step-by-step explanation:

when you dont know a number you are supposed to use a letter and when you want to multiply a letter and a number you put them next to each other then for this specific question you add 9

4 0
3 years ago
No link answer <br> please help im stuck
Tasya [4]

Answer:

not sure it says error when i try to look at the link

5 0
3 years ago
I have 3 types of shapes: triangle, square or circle in the ratio 3:6:1. The triangles are either red or blue. The ratio of red
erma4kov [3.2K]
Ok first lets take care of the color
given that you have 12 red triangles and the ratio for red triangles to blue triangles is 4:5
if 12=4 than blue=5
12 times 5= 60
12 times 4 = 48
48 red and 60 blue = triangles
48+60=108
there are 108 triangles in total
now since the ratio for triangle square or circle is 
for every 3 triangles there are 6 squares and for every six squares there is one circle
t3:s6:c1
since there are 108 triangles
108/3=36
since for every 3 triangles there are 6 squares 
six times 36(amount of triangles/3)
6*36+=216
so there are 216 squares
now it says for every six squares there is one circle
therefor (the amount of squares)216/6+= 36 
we are back to 36 and there are 36 circles
4 0
3 years ago
Read 2 more answers
The ratio of the measures if the sides of a triangle is 4:6:8, and its perimeter is 126 feet. What are the measures of the sides
N76 [4]

Answer:

56  feet.

Step-by-step explanation:

4k+6k+8k=18k=126⟹k=7

Therefore, the lengths are 4⋅7=28, 6⋅7=42 and 8⋅7=56 feet.

6 0
3 years ago
What is the missing number? 2.1 + (–3.4 + 5) = [ + (–3.4)] + 5
Kamila [148]

2.1 + (–3.4 + 5) = [ + (–3.4)] + 5 = false

2.1 + (–3.4 + 5) = 3.7

[ + (–3.4)] + 5 = 1.4

Thus your answer is 2.1


8 0
3 years ago
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