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wariber [46]
3 years ago
8

Draw a model... write an equation and solve....this is the directions for a  4th grade math homework problem....Help?????

Mathematics
1 answer:
padilas [110]3 years ago
6 0
Boxers = b
Spaniels = s

b=s*4
s+b=30

Now you have two equations - one that tells you the number of boxers in relation to spaniels and one telling you the number of each breed in relation to the total number of dogs. Solve using substitution.

s+(4*s)=30 \\ 4s+s=30 \\ 5s=30 \\ s=6

There are 6 spaniels.
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If sectheta=13/12 and 270°<theta<360°, then tantheta=​
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If Hannah was having 29 apples, and anton takes 9 apples from Hannah,how many apples do Hannah have?
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How to find surface area of a right triangular prism to the nearest whole number?
vovangra [49]
The area of the two triangular bases is
  (total base area) = 2×(1/2)bh
    = bh
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The area of the three rectangles making up the remaining faces of the prism is
  (total lateral area) = length×base + length×height + length×hypotenuse
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Then the surface area of the prism is the sum of these
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5 0
3 years ago
For f(x)=4x+1 and g(x) = x^2 - 5, find (f+g)(x).
Rus_ich [418]

Answer:

(f + g)(x) = x² + 4x - 4  

Step-by-step explanation:

The statement (f + g)(x) is the same as f(x) + g(x). In other words, the question simply wants you to add the two functions together.

f(x) = 4x + 1

g(x) = x² - 5

(f + g)(x)                                  <----- Original statement

f(x) + g(x)                                <----- Rewrite

(4x + 1) + (x² - 5)                     <----- Substitute the equations in f(x) and g(x)

4x + x² - 4                              <----- Add 1 and -5

x² + 4x - 4                              <----- Rearrange the terms

3 0
1 year ago
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