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3 years ago

Peta makes a painting on a parallelogram-shape canvas

Mathematics

1 answer:

Helen [10]3 years ago

6 0

the answer should be C. 5.27

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A recent ecological survey showed that the ratio of deer to foxes was 7 to 3 in one county in Texas. If there were 210 foxes in

kenny6666 [7]

Answer:

490

Step-by-step explanation:

The ratio of deer to foxes in a country in Texas is 7:3

=>7x: 3x

There are 210 foxes in the country

3x = 210

x = 210/3

x= 70

Therefore the number of deer in the country can be calculated as follows.

= 7x

= 7 × 70

= 490

Hence there are 490 deers in the country

7 0

3 years ago

State if the three numbers can be the measures of the sides of a triangle

Molodets [167]

Ummm 50 40 90 Tbh idk

6 0

4 years ago

A chemist needs a 30% iron alloy. How many grams of a 70% iron alloy must be mixed with 16 grams of a 20% iron alloy to obtain t

Alex787 [66]

Let x=grams of 70% alloy:
0.70x+16×0.20=0.30(x+16)
0.70x=0.30x+4.8-3.2
0.40x=1.6
x=1.6/0.4=16/4=4g
4 grams of 70% alloy are needed.

6 0

4 years ago

Find the slope will give brainliest.

crimeas [40]

Answer:

The slope is 0.

Step-by-step explanation:

$m=\frac{rise}{run}=\frac{2-2}{2-7}=\frac{0}{-5}=0$

Hope this helps.

8 0

3 years ago

Dos niños brincan en dos trampolines. El primer niño rebota 1.5 veces más alto que el segundo. La rapidez inicial del segundo ni

luda_lava [24]

Usando un sistema de ecuaciones, se encuentra que la rapidez inicial del primer ninõ es 4.95 m/s.

-------------------------

Consideramos que la rapidez inicial de el primer ninõ es x, y de el segundo es y.

El primer niño rebota <u>1.5 veces más alto que el segundo</u>.

O sea:

$x = 1.5y$

La rapidez inicial del segundo niño es de 3.3 m/s.

Esto implica que $y = 3.3$

¿Cuál es la rapidez (m/s) inicial del primer niño?

$x = 1.5y = 1.5(3.3) = 4.95$

La rapidez inicial del primer ninõ es 4.95 m/s.

Un problema similar es dado en brainly.com/question/24646137

3 0

3 years ago