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IgorLugansk [536]
2 years ago
8

HELPP

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

Answer:108

Step-by-step explanation:

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Each pair of figures below is similar. Find the lengths of all unknown sides​
lions [1.4K]

Answer:

  a) w = 8; y = 5.25

  b) x = 10; z = 7.2

Step-by-step explanation:

a) Dimensions on the smaller figure are FA/F'A' = 3/4 times those on the larger figure.

  6 = (3/4)w

  w = 24/3 = 8

  y = (3/4)·7 = 21/4 = 5.25

__

b) Dimensions on the smaller figure are ER/E'R' = 9/15 = 3/5 times those on the larger figure.

  6 = (3/5)x

  x = 30/3 = 10

  z = (3/5)12 = 36/5 = 7.2

7 0
3 years ago
Solve for x. x^2−3x−70=0<br><br> x^2 is x to the second power
timurjin [86]
X² <span>− 3x − 70=0
</span>x² + 7x - 10x − 70=0
x(x+7) - 10(x+7) = 0
(x+7)(x-10) = 0

x + 7 = 0   or   x - 10 = 0
x = -7              x = 10

Answer: x=-7,  x=10 
3 0
3 years ago
Read 2 more answers
a certain shark has triangular teeth with a height that is 1 centimeter shorter than the base. if the area of one tooth is 1 squ
Advocard [28]

The Shark's teeth has a base of 2 cm and height of 1 cm.

Step-by-step explanation:

Step 1 :

Given,

the area of the shark's triangular teeth = 1 sq cm

Let b be the base and h be the height of the shark's triangular teeth.

We have the teeth's height is 1 cm short than the base

So  h = b - 1

Step 2 :

Area of Triangle  = (\frac{1}{2}) × b × h = 1

Substituting h = b -1

(\frac{1}{2}) × b × (b-1) = 1

=> b² - b = 2 = > b²-b-2 = 1

Solving for b we have

(b-2)(b+1) = 0

b = 2 or b = -1

Since b is the base , we take the positive value as length/distance cannot be negative.

So b = 2

h = b - 1 = 2 - 1 = 1

h = 1

Step 3 :

Answer :

The Shark's teeth has a base of 2 cm and height of 1 cm.

6 0
3 years ago
Maya, Eric, and Ryan sent a total of 116 text messages during the weekend. Ryan sent 3 times as many messages as Maya. Eric sent
Naddika [18.5K]

Answer:

Maya 22 Ryan 66 Eric 28

Step-by-step explanation:

m+e+r=116

r=3m

e=m+6

m+m+6+3m=116

Maya sent 22

Ryan is 22*3=66

Eric 22+6=28

3 0
3 years ago
One day Sally earned £60<br> She worked for 8 hours<br><br> Work out Sally’s hourly rate of pay?
Scrat [10]

Answer:

£7.50

Step-by-step explanation:

Hope this helps! If I could have brainliest I'm trying to rank up :)

5 0
3 years ago
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