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kari74 [83]
2 years ago
13

BRAINIST & 30 POINTS

Mathematics
1 answer:
soldier1979 [14.2K]2 years ago
7 0

Answer:

DF= 33

Step-by-step explanation:

The ratio is equal to 6:5:1 Which can be changed into 18:15:3

Since DE=18 and EF=15 you simply add and = 33

You might be interested in
4x−3=16=4(x−3)=16 <br> Do they have the same solution?
AnnZ [28]

Answer:

no

Step-by-step explanation:

4x -3 = 16

x=19/4

4(x-3) = 16: Distribute the number in the parenthesis with 4 and you get:

4x-12=16

x=7

4x-12=16 is not the same as 4x-3=16

Therefore they do not have the same solution.

5 0
3 years ago
Read 2 more answers
Can you guys help me?
Simora [160]
8 if not then i’m sorry
8 0
3 years ago
Hey could anyone help me with this question :)
Marta_Voda [28]

Answer:

cuz i am batman hhhhhhhhhhhh

7 0
2 years ago
A math class has 3 girls and 9 boys in the seventh grade and 7 girls and 3 boys in the eighth grade. The teacher randomly select
vladimir1956 [14]

Answer:

7/40

Step-by-step explanation:

There are 3 girls+9 boys = 12 students in the 7th grade

P (girl in 7th grade) = girls/ total

                                = 3/12 = 1/4

There are 7 girls+3 boys = 10 students in the 8th grade

P (girl in 8th grade) = girls/ total

                                = 7/10

P(7th grade girl, 8th grade girl) = 1/4 * 7/10 = 7/40

8 0
3 years ago
James bought 2 bottles of lemonade and 1 bag of crisps for £1.40 . Jill bought 1 bottle of lemonade and 3 bags of crisps for £1.
aleksklad [387]
<span>Hence
2L + C = 1.4
-2L - 6C = -3.4
Add (This will eliminate 'L' )

-5C = -2.0
5C = 2.0
C = 0.4 = £0.40p


2L + 0.4 = 1.40
2L = 1.40 - 0.40 = 1.00
L = 0.50 = £0.50p.

Hence a lemonade (L) costs £0.50p & a Crisps (C) costs £0.40p.</span>
6 0
3 years ago
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