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3 years ago

Can you guys help me pls

Mathematics

2 answers:

olya-2409 [2.1K]3 years ago

8 0

Answer:

4/6

Step-by-step explanation:

2:3 = 2/3

2/3 × 2 or 2/3 + 2/3

is <u>equal</u> to

or <u>equ</u>ivalent 4/6

hope this helps :)

kherson [118]3 years ago

5 0

Answer:

The answer is 4/6

Step-by-step explanation:

2:3 and 4:6 share the same exact relationship but is expressed using different numbers, for example, 2:3 * 2 = 4:6 and 4:6 / 2 = 2:3

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What is nine and three hundredths as a fraction and decimal?

Ratling [72]

Decimal=9.03 &
fraction= 9 3/100

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3 years ago

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Factor the quadratic equation below to reveal the solutions. X^2+4x-21=-9

a_sh-v [17]

Answer:

x = 3 and x = -7

Step-by-step explanation:

The given quadratic equation is $x^2+4x-21=0$ . We need to find the solution of this equation.

If the equation is in the form of $ax^2+bx+c=0$ , then its solutions are given by :

$x=\dfrac{-b\pm \sqrt{b^2-4ac} }{2a}$

Here, a = 1, b = 4 and c = -21

Plugging all the values in the value of x, such that :

$x=\dfrac{-b+ \sqrt{b^2-4ac} }{2a},\dfrac{-b- \sqrt{b^2-4ac} }{2a}\\\\x=\dfrac{-4+ \sqrt{(4)^2-4\times 1\times (-21)} }{2(1)},\dfrac{-4- \sqrt{(4)^2-4\times 1\times (-21)} }{2(1)}\\\\x=3, -7$

So, the solutions of the quadratic equation are 3 and -7.

6 0

3 years ago

Mutiply 4y-4w^8-3y^5w^3

sukhopar [10]

Answer:

48y⁶w¹¹

Step-by-step explanation:

[-3y⁵][4y] → -12y⁶

[w³][-4w⁸] → -4w¹¹

______

48y⁶w¹¹

I am joyous to assist you anytime.

8 0

4 years ago

What is the altitude of a rhombus if its area is 10 square meters and the length on one side is 2.5 meters?

Elan Coil [88]

10/2.5= 4 the answer is 4 meters because you just divide them.

4 0

3 years ago

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Last month, Ebony had 72 dollars in a checking account. The current balance is 126 dollars. What is the percent change in the ac

TEA [102]

Answer:

43%

Step-by-step explanation:

Last month, 72.

This month, 126.

Last month, ebony had 72/126 in her account to what she has this month. 72/126 as a percentage.

Ratio:

72:126

X100

7,200:12,600

÷126

57.142:100

Ebony had approximately 57% of her cash in her account last month, compared to this month.

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3 years ago