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3 years ago

Please can someone help me with his i really need it

Mathematics

1 answer:

Novay_Z [31]3 years ago

5 0

Answer:

0.34

Step-by-step explanation:

iff we think of them all as a percentage then it looks like

25% + 17% + 21% + 3%

then you add them to get 66%

now you know you are missing 34% to make up the rest of the area.

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The product of 5 and a number less 6 is 4. write the phrase as an algebraic equation.

kvasek [131]

5 + x - 6 = 4
x= 5

5 plus 5 equals 10 and 10 minus 6 is equal to 4.

3 0

3 years ago

Read 2 more answers

How do you get 3630 from 726x5 like can you explain it

Stella [2.4K]

Answer:

3630

Step-by-step explanation:

726*5

= (700+20+6) * 5

= (700*5) + (20*5) + (6*5)

= 3500 + 100 + 30

= 3600 + 30

= 3630

4 0

3 years ago

Answer it and show your work. Which letter choice is it.

ivanzaharov [21]

Answer:

b = 55 degrees

Step-by-step explanation:

The angles 30, a, b and 45 must sum up to 180 degrees

Subtracting (30 + 45) from both sides leaves us with a + b = 105 degrees.

But b = a + 5. Substituting a + 5 in the equation above yields

a + a + 5 = 105 degrees, so that

2a = 100 degrees, and a = 50 degrees. Then b = a + 5, or b = 55 degrees.

7 0

3 years ago

Translate this phrase into an algebraic expression.

Roman55 [17]

Answer:

8+2j like you say let j be the variable and more than means+

7 0

3 years ago

Read 2 more answers

Solve the following equations;- x - 9 /√x + 3 =1

fgiga [73]

Answer:

13 , 6.

Step-by-step explanation:

A equation is given to us and we need to find out the value of x . The given equation to us is ,

$\sf\implies \dfrac{ x -9}{\sqrt{x+3}}= 1$

Cross multiply ,

$\sf\implies x - 9 =\sqrt{ x +3}$

Squaring both sides ,

$\sf\implies (x - 9)^2 = x + 3$

Simplify the whole square ,

$\sf\implies x^2+9^2-2.9.x = x +3 \\$

$\sf\implies x^2+81 - 18x = x -3$

Add 3 and subtract x on both sides ,

$\sf\implies x^2 -18x-x +81-3=0$

Simplify ,

$\sf\implies x^2 -19x +78=0$

Split the middle term of the quadratic equation,

$\sf\implies x^2-13x-6x+78=0$

Take out common ,

$\sf\implies x( x -13)-6(x-13)=0$

Take out ( x -13 ) as common ,

$\sf\implies ( x -13)(x-6)=0$

Equate both factors to 0 ,

$\sf\implies \boxed{\pink{\sf x = 13,6}}$

Hence the value of x is 13 or 6 .

7 0

3 years ago