3 years ago

Here are the other two questions that were unanswered at the time@Almaee

Mathematics

1 answer:

dimulka [17.4K]3 years ago

7 0

For The first question, the answer is 6.
For the 2nd question, the answer is 127
The solution is on the picture

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alekssr [168]

The similarity ratio of ΔABC to ΔDEF = 2 : 1.

Solution:

The image attached below.

Given ΔABC to ΔDEF are similar.

To find the ratio of similarity triangle ABC and triangle DEF.

In ΔABC: AC = 4 and CB = 5

In ΔDEF: DF = 2, EF = ?

Let us first find the length of EF.

We know that, If two triangles are similar, then the corresponding sides are proportional.

⇒ $\frac{AC}{DF} =\frac{BC}{EF}$

⇒ $\frac{4}{2} =\frac{5}{EF}$

⇒ $4EF=5\times2$

⇒ $EF=\frac{5\times 2}{4}$

⇒ $EF=\frac{5}{2}$

Ratio of ΔABC to ΔDEF = $\frac{AC}{DF} =\frac{4}{2}=\frac{2}{1}$

Similarly, ratio of ΔABC to ΔDEF = $\frac{BC}{EF} =\frac{5}{\frac{5}{2}}=\frac{2}{1}$

Hence, the similarity ratio of ΔABC to ΔDEF = 2 : 1.

6 0

2 years ago

Which statements about the value of the digits in the number 6,666,666 are true? Choose all answers that are correct. A. The dig

Degger [83]

I chose the answer A

3 0

3 years ago

Solve the following system of equations y=3x^2+24+10<br> 3x + y = 10

yan [13]

Answer:

y=3x^2+34

3x+y-10=0

Step-by-step explanation:

3 0

3 years ago

If Ashley had 4 yards of yarn in Ramen had 11 feet of yarn who had more yarn

Greeley [361]

Answer: Ashley had more yarn, 1 yard = 3 ft 3 times 4 = 12 so 3 yards is 12 feet.

Step-by-step explanation:

5 0

2 years ago

What is the positive root of the equation x^2 + 5x = 150?

Montano1993 [528]

Answer:

Step-by-step explanation:

x = 10, -15

7 0

3 years ago

Here are the other two questions that were unanswered at the time﻿﻿﻿@Almaee

Here are the other two questions that were unanswered at the time@Almaee