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Simora [160]
3 years ago
11

I really really need your help!!

Mathematics
2 answers:
marissa [1.9K]3 years ago
4 0

Answer:

1.) 1/2x = 32

2.) 3x = 18

3.) x/7 = 4

4.) 5m=105

divide both sides by 5

m= 21

5.) -2c=-32

divide both sides by -2

c=16

6.) x/4=-44

multiply both sides by 4

x=-176

7.) s/-3 = -21

multiply both sides by -3

s=63

mr Goodwill [35]3 years ago
4 0
1. 16
2. 6
3. 28
4. M=21
5. C=16
6. X=-176
7. S=63
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The population of a school is 800 students and is increasing at a rate of 4% per year; 5 year
Darya [45]

Answer:

960 i think

Step-by-step explanation:

800 x 0.04 = 32

32 x 5 = 160

800 + 160 = 960

hope i helped

6 0
3 years ago
Which expression is equivalent to sqrt8x^7y^8? assume x>0
Ilia_Sergeevich [38]

Answer:

\sqrt{8x^7y^8= 2x^3y^4 * \sqrt{2x}

Step-by-step explanation:

Given

\sqrt{8x^7y^8

Required

Evaluate

\sqrt{8x^7y^8

Separate each factor with multiplication sign

\sqrt{8*x^7*y^8

Express 8 as 4 * 2 and x^7 as x^6 * x

\sqrt{4 * 2 *x^6 * x*y^8

Split each factor

\sqrt{4} * \sqrt{2} *\sqrt{x^6} * \sqrt{x}*\sqrt{y^8}

Evaluate \sqrt4

2 * \sqrt{2} *\sqrt{x^6} * \sqrt{x}*\sqrt{y^8}

Apply law of indices:

2 * \sqrt{2} * x^{6*\frac{1}{2}} * \sqrt{x} * y^{8*\frac{1}{2}}

2 * \sqrt{2} * x^3 * \sqrt{x} * y^4

Reorder

2* x^3 * y^4 * \sqrt{2}  * \sqrt{x}

2x^3y^4 * \sqrt{2}  * \sqrt{x}

2x^3y^4 * \sqrt{2*x}

2x^3y^4 * \sqrt{2x}

2x^3y^4 \sqrt {2x

Hence:

\sqrt{8x^7y^8= 2x^3y^4 * \sqrt{2x}

8 0
3 years ago
Read 2 more answers
Solve each equation and check your solution <br> -3w-4=w+3
denpristay [2]

Answer:

\boxed  {w =  -  \frac{7}{4} }

Step-by-step explanation:

We want to solve the linear equation -3w-4=w+3

We group like terms to get

- 3w - w = 3 + 4

- 4w = 7

Divide both sides by -4

w =  -  \frac{7}{4}

Now let us check

- 3 \times  -  \frac{7}{4}  - 4 =  -  \frac{7}{4}  + 3

\frac{21}{4}  -  \frac{16}{4}  =  -  \frac{7}{4}  +  \frac{12}{4}

\frac{5}{4}  =  \frac{5}{4}

This is true

6 0
3 years ago
Hallar la solución de las siguientes inecuaciones lineales, representar la solución en la recta numérica. 5x+ 1&lt;6
tamaranim1 [39]

Answer:

3.141592685

thank me later

5 0
3 years ago
Read 2 more answers
At a carnival, food tickets cost $2 each and ride tickets cost $3 each. A total of $1,240 was collected at the carnival. The num
const2013 [10]

Answer:

B

Step-by-step explanation:

The given equations satisfy the given conditions. There are 2 equations and 2 unknowns, so a certain solution can be found.

This can be solved using substitution,

Substituting eqn 2 to eqn 1:

2(2y – 10) + 3y =1240

Simplifying,

y = 180

x = 350

5 0
4 years ago
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