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Elina [12.6K]
2 years ago
6

PLEASE HELP ILL GIVE BRAINEST if two ratios are equal they form a ____

Mathematics
1 answer:
Contact [7]2 years ago
7 0

Answer:

proportion

Step-by-step explanation:

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WILL MARK BRAINLIEST!!! Can someone help me wit des questions? (SHOW UR WORK)
spayn [35]
1) -3x -3 -7x = 17
• start by grouping so add -3x and -7x which gives you -10x
• 10x -3 (+3) = 17 +3 = 20 add 3 on both sides)
• 10x (/10) = 20/ 10 = 2
1) x = 2

2) 10x -6 (+6) = 24 + 6 = 30
• 10x (/10) = 30/ 10 = 3
2) x = 3

3) -4 (+4) -5x = -39 +4 = -35
• -5x (/-5) = -35/ -5 = 7
3) x = 7

4) 3x - 5 > 10
this one i don’t understand, is there a typo maybe ?

5) -5x + x + 16 = -3 you can put a 1 to hold the place of x to make it 1x
• (-5x + 1x) + 16 = -3
• -4x + 16 (-16) = -3 -16 = -19
• -4x (/-4) = -19/ -4 = 4.75 or 4 3/4
5) x = 4.75

6 0
2 years ago
A tour director collected $258 for 13 tour packages tour packages a cost $18 into a package requires $22 how many of each tour p
Lena [83]

Answer:


Step-by-step explanation:

X+Y = 13

 

$18 + $22 = $258

OR

18X+22Y=258

 

18X + 22(13 - X) = 258

 

18X + 286 - 22X  = 258

 

286 - 4X  = 258

 

-4X= 258 - 286

 

-4X = -28

 

X= 7

Y=6

 7 of the X tour  packages & 6 of the Y tour  packages

4 0
2 years ago
what is the measure of the vertex angle of an isosceles triangle if one of its base angles measures 48 degrees?
Vladimir79 [104]
180-2\cdot48=180-96=84
7 0
2 years ago
A university has 750 female students and 2250 male students. Thirty per cent of female students study chemistry and 60% of male
UNO [17]

Answer:

1/7 or 14.3%

Step-by-step explanation:

30% of 750 = 225  (females who study chemistry)

60% of 2250 = 1350  (males who study chemistry)

1575 = total students studying chemistry

P (female chemistry student) = 225/1575 = 1/7 (simplified)

1/7 = 14.3%

7 0
2 years ago
Find the values of x and y. Show your work pls (7x-4) (4y+8) 24 and 31
abruzzese [7]

Answer:

The value of x is 5.

The value of y is 4.

Step-by-step explanation:

From the figure, the lengths of the lines with equal number of markings are equal.

So, we will have the length of 7x - 4 = 31.

We solve for 'x'.

We get: 7x = 35

⇒ x = 5

Similarly, 4y + 8 = 24

⇒ 4y = 24 - 8

⇒ 4y = 16

⇒ y = 4

Therefore, the value of x = 5 and y = 4.

Hence, the answer.

8 0
3 years ago
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