Mathematics, 24.07.2019 13:10 cadeedmiston

There are d horses in a field there are 16 more female horses than male horses of the horses in the field only 25% of the male horses are brown. how many horses are black.

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Answer from: cjjohnson1221

The horses in the field only 25% of the male horses are brown.

$0.75 (\frac{d-16}{2})$ male horses are black

Given :

there are d horses in a field there are 16 more female horses than male horses

Let f be the female horses

and 'm' be the male horses

there are 16 more female horses than male

f=m+16

male and female horses total is d

$d=m+f\\d=m+m+16\\d=2m+16\\$

now we solve for m

$d=2m+16\\d-16=2m\\divide \; by \; 2\\m=\frac{d-16}{2}$

the horses in the field only 25% of the male horses are brown.

so 75% horses are black

75%=0.75

$0.75 (\frac{d-16}{2})$ male horses are black

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Answer from: 0Brittany0

Use f and m for "female" and "male." Then f = m + 16, and f + m = d (total)

So now we have the system of linear equations

f = m + 16
f + m = d

We can eliminate f by subst. m + 16 for f in the second equation:
d-16
m + 16 + m = d, or 2m + 16 = d. Find m. 2m = d - 16, so that m =
2

Assuming that the male horses are either brown or black, and that 25% of these are brown, then the rest must be black. This number is

d-16
0.75 [ ] .
2

Answer from: Quest

Where are the

Answer from: Quest

2. angles qrt and qst both measures 156 degrees.

step-by-step explanation:

we have been given a diagram of a circle and we are told that measure of arc qvt is 156 degrees.

we can see from our given diagram that angle qrt and angle qst subtends to arc qvt.

since we know that angles subtended by the same arc at the circumference are always equal.

by angle subtended by same arc theorem, measure of angle qrt and angle qst will be equal to the measure of arc qvt.

$m\angle qrt=156^o$

$m\angle qst=156^o$

therefore, angles qrt and qst both measures 156 degrees and 2nd statement is the correct choice.

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