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My name is Ann [436]
3 years ago
14

Can someone please help me with these questions!!!!

Mathematics
1 answer:
IgorLugansk [536]3 years ago
5 0

Answer: B

Step-by-step explanation:

The only labeled angle is 111

We can conclude that angle 3 is also 111

1 and 2 are both less than 90

Therefore, 1 is 69, 2 is 69, and 3 is 111

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A casserole recipe calls for 4 ounces of cheese. Adrian wants to use 1/2 of the amount of cheese in his casseroles. How many pou
denis-greek [22]

Answer:

She will need 3.5 pounds of cheese to make the 28 casseroles

Step-by-step explanation:

In this question, we are tasked with calculating the amount of cheese in pounds needed to make 28 casseroles.

In the revised recipe, she intends using 1/2 of what is supposed to be used in the original recipe. Mathematically, since each original casseroles is meant to take 4 ounces of cheese, the revised recipe taking half will have 1/2 × 4 = 2 ounces of cheese per casserole

Now for 28 casseroles based on the revised recipe, the total amount of cheese to be used mathematically is equal to 28 × 2 = 56 ounces of casserole

The questions asks that our answer be in pounds

Mathematically, 1 ounce = 0.0625 pounds

Hence, 56 ounces of casseroles will be 56 × 0.0625 = 3.5 pounds of cheese

3 0
3 years ago
Which diagram best represents the following expression?<br> 2(n - 1) + 1
joja [24]
<h2>Explanation:</h2>

Here we have the following expression:

2(n - 1) + 1

So we can rewrite this as follows:

a_{n}=2(n - 1) + 1

So this is an arithmetic series whose general form is given by:

a_{n} = a + d(n-1)

Where:

a: \text{is the first term} \\ \\ d: \text{is the difference between the terms, also called "common difference"}

So, for some n-values we have:

a=1 \\ \\ a_{2}=2(2-1)+1=3 \\ \\ a_{3}=2(3-1)+1=5 \\ \\ a_{4}=2(4-1)+1=7 \\ \\ a_{5}=2(5-1)+1=9

From this information, the diagram that best represents the given expression is shown below.

6 0
3 years ago
Find the value of the points (5,1) , (-2,-3) and (8,2m) are collinear
svp [43]

Answer:

m = 19/14  so the third point is (8, 19/7).

Step-by-step explanation:

If they are co-linear then the the  slope will be equal.

The slopes of the lines are:

(difference in y coordinates) / (difference in corresponding x coordinates)

Slope between the first 2 points = (-3-1) / (-2-5) -4 / -7

= 4/7.

So if the 3 points are co-linear:

4/7 = (2m - -3) / (8 - -2)

4/7 = (2m + 3 / 10

7(2m + 3) = 40

14m + 21 = 40

14m = 19.

m = 19/14.

3 0
3 years ago
Complete the equation describing how x and y are related.
love history [14]
X is horizontal while y is vertical
6 0
3 years ago
Solve and classify the styat as: inconsistent, consistent and idependent, or consistent and dependent. 2x+y=8 and 3x-y=17
ella [17]
2x + y = 8
3x - y = 17
---------------add
5x = 25
x = 25/5
x = 5

2x + y = 8
2(5) + y = 8
10 + y = 8
y = 8 - 10
y = -2

solution is (5,-2).....this is consistent and independent because it has one solution
5 0
3 years ago
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