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tester [92]
3 years ago
13

Help me I’m not good at science

Mathematics
1 answer:
harkovskaia [24]3 years ago
4 0

Answer:

I believe this is correct, but I'm not a teacher or anything

Refraction

Refraction

Reflection

Refraction

Reflection

Reflection

Reflection

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Which number line represents all of the values of x for the equation x2 = 100
Hitman42 [59]

x^2 = 100...by taking the square root of both sides, this eliminates the ^2

x = (+-) sqrt 100

x = (+-) 10

so the values of x are -10 and 10

4 0
3 years ago
You have 120 cows and 90% of them are female how many female cows do you have​
Brut [27]
120×90/100 = 12×9 = 108



Mark brainliest please
4 0
3 years ago
Read 2 more answers
Drag each tile to the correct box. not all tiles will be used.
lana66690 [7]

Answer:

y=\frac{13}{6}x             y= \frac{11}{5}x          y = \frac{21}{9}x          y = \frac{19}{8}x

Step-by-step explanation:

Given

The attached graph

Required

Equations with higher unit rate

First, calculate the unit rate of the graph

m = \frac{y_2 - y_1}{x_2 - x_1}

Where:

(x_1.y_1) = (0,0)

(x_2.y_2) = (7,15)

So:

m = \frac{15 - 0}{7 - 0}

m = \frac{15}{7}

m = 2.143

For the given options.

The unit rate is the coefficient of x

So: y = \frac{19}{8}x

Going by the above definition of unit rate.

m = \frac{19}{8}

m = 2.375

y = \frac{27}{13}x

m = \frac{27}{13}

m = 2.077

y = \frac{21}{9}x

m = \frac{21}{9}

m = 2.333

y= \frac{11}{5}x

m= \frac{11}{5}

m= 2.20

y = \frac{15}{7}x

m = \frac{15}{7}

m = 2.143

y = \frac{31}{15}x

m = \frac{31}{15}

y = 2.067

y=\frac{13}{6}x

m=\frac{13}{6}

m=2.167

The unit rates grater than the graph's from small to large are:

y=\frac{13}{6}x             y= \frac{11}{5}x          y = \frac{21}{9}x          y = \frac{19}{8}x

m=\frac{13}{6}              m= \frac{11}{5}           m = \frac{21}{9}            m = \frac{19}{8}

4 0
3 years ago
Read 2 more answers
Please helpppppppppppppppppppppppppp<br><br><br> show your work<br><br><br> -25 x 25
puteri [66]
-625
use long multiplication to evaluate .
8 0
3 years ago
Explain how showing fractions with models and a number line are alike and different?
Otrada [13]
Showing fractions can be expressed in model and number line.
Using a model, you have to draw the number of parts (denominator) and shade the number of parts (numerator).

Using a number line, the line starts from 0 to the number of the denominator. You put a marker to the number that is the same as the numerator.

Both model and number line use the value of the numerator and denominator. What makes them different is how they are presented. Model can easily be understood compared to number line.
5 0
3 years ago
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