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Alekssandra [29.7K]
3 years ago
12

emily and her friends went to the park. they saw 15 robins and 9 blue jays how many birds did they see ? then explain how you de

cided what number sentence to write
Mathematics
2 answers:
sukhopar [10]3 years ago
6 0
All you have to do is add 15+ 9.

15+9 = 24. hope this helps
Mrac [35]3 years ago
6 0

Answer:

24 birds.

Step-by-step explanation:

We have been given that Emily and her friends went to the park. they saw 15 robins and 9 blue jays. We are asked to find the number of birds and explain how you decided what number sentence to write.

Since there are 15 robins and 9 blue jays, so we can get total number of birds by adding 15 to 9.

15+9=24

Since we are asked to find total number of birds, so we can find total birds by addition only.

Therefore, Emily and her friends saw 24 birds.

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17. Which of the following equations would graph a line parallel to 3y = x + 5? (
Naddik [55]

The equation 3y = x + 1 would graph a line parallel to 3y = x + 5 ⇒ 1st

Step-by-step explanation:

Parallel lines have same slopes and different y-intercepts

To find which equation would graph a line parallel to 3y = x + 5

1. Put the equation in the form of y = mx + c

2. m is the slope of the line and c is the y-intercept

3. Look for the equation which has the same values of m and different

   values of c

∵ 3y = x + 5

- Divide each term of the equation by 3 to put the equation in the

 form of y = mx + c

∴ y = \frac{1}{3} x + \frac{5}{3}

∴ m = \frac{1}{3}

∴ c = \frac{5}{3}

The first answer:

∵ 3y = x + 1

- Divide each term of the equation by 3

∴ y = \frac{1}{3} x + \frac{1}{3}

∴ m = \frac{1}{3}

∴ c = \frac{1}{3}

∵ The two equations have same slope m = \frac{1}{3}

∵ The two equations have different y-intercepts c = \frac{5}{3}

   and c = \frac{1}{3}

∴ 3y = x + 5 and 3y = x + 1 represent two parallel lines

The equation 3y = x + 1 would graph a line parallel to 3y = x + 5

Learn more:

You can learn more about slope of a line in brainly.com/question/12954015

#LearnwithBrainly

8 0
3 years ago
Cindy is making bracelets for her mom’s garage sale. She uses 1/3 foot of red string and 3/4 foot of blue string to make each fr
trasher [3.6K]

Answer:

1/3 to 3/4

Step-by-step explanation:

8 0
2 years ago
The product of a number and 3, increased by 5, is 7 less than twice the number. Which equation can be used to find the number, n
AVprozaik [17]
Product is the answer you get when you multiply 2 numbers, so
3n + 5 < 2n - 7. 



7 0
3 years ago
7. Suppose that y varies inversely with x. Write an equation for the inverse variation,
lys-0071 [83]

Answer:

The answer is

<h2>y =  \frac{24}{x}</h2>

Step-by-step explanation:

The statement

y varies inversely with x is written as

y =  \frac{k}{x}

where k is the constant of proportionality

To find k substitute the values of x and y into the equation

From the question

y = 4

x = 6

We have

4 =  \frac{k}{6}

Cross multiply

k = 4 × 6

k = 24

So the formula for the variation is

<h2>y =  \frac{24}{x}</h2>

Hope this helps you

7 0
3 years ago
What is the best way to study maths ?​
amid [387]

Answer:

study it

Step-by-step explanation:

study it

3 0
2 years ago
Read 2 more answers
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