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3 years ago

What is the value of x in this triangle?

Mathematics

1 answer:

Dvinal [7]3 years ago

8 0

X=10 the two triangles are the same size just one is scaled down by 1/2. Hope this helps

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Find the difference: -2/5-(-4/5)

CaHeK987 [17]

Answer:

2/5

Step-by-step explanation:

-2/5-(-4/5) (remove the parentheses)

-2/5+4/5 (calculate)

solution: 2/5

hope this helps!

5 0

3 years ago

AFLATI 2 NUMERE STIIND CA AL DOILEA NUMAR ESTE DE 7 ORI MAI MARE DECITPRIMUL IAR SUMA DINTRE DUBLUL PRIMULUI NUMAR SI TRIPLUL CE

postnew [5]

Answer:

The numbers are 20 and 140

Step-by-step explanation:

The question in English is

Find 2 numbers knowing that the second number is 7 times greater than the first, and the sum between the double of the first number and the triple of the second is 460

Define the variables

Let

x ----> the first number

y ----> the second number

we know that

$y=7x$ -----> equation A

$2x+3y=460$ ----> equation B

Solve the system of equations by substitution

Substitute equation A in equation B

$2x+3(7x)=460$

solve for x

$2x+21x=460$

$23x=460$

$x=20$

Find the value of y

$y=7x$ ----> $y=7(20)=140$

The numbers are 20 and 140

6 0

3 years ago

Solve for x. Round to the nearest tenth.

Misha Larkins [42]

Answer:

Step-by-step explanation:

Youre given the adjacent and hypotenuse, so you can use cosine. SOHCAHTOA

cos(37) = 48/x

x = 60.1

5 0

2 years ago

Select the correct answer what is the solution of 5/2x - 7 = 3/5x+14

bixtya [17]

Answer:

a i think

Step-by-step explanation:

4 0

2 years ago

HELP ME PLEASEEEEEEEEEE

natta225 [31]

Answer: it would be (2, -4) because if you flip it it will still be the same just at a different angle.

Step-by-step explanation:

8 0

3 years ago