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Kipish [7]
2 years ago
13

Will give brainlest thank you so much

Mathematics
1 answer:
kodGreya [7K]2 years ago
8 0

Answer:

1.  -1

2.  5

3.  14

4.  26

Step-by-step explanation:

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On a farm there are some cows and some chickens. If the animals have a total of 40 head and 112 legs, how many cows are there?
emmainna [20.7K]
\frac{112-2*40}{2}\\\frac{112-80}{2}\\\frac{32}{2}\\16

16 cows and 24 chickens.
7 0
4 years ago
Solve for x: 2x + 27 = 5x-12
jenyasd209 [6]

Answer:

2x + 27 = 5x - 12 \\ 27 + 12 = 5x - 2x \\ 39 = 3x \\  \frac{39}{3}  =  \frac{3x}{3}  \\ 13 =  x

<em>hope</em><em> </em><em>this</em><em> </em><em>helps</em><em>.</em><em>.</em><em>.</em>

7 0
3 years ago
Read 2 more answers
I should have payed more attention but can someone please guide me through this and build me up an answer.
Klio2033 [76]

Answer:

arc QM = 38°

Step-by-step explanation:

the inscribed angle NQM is half the measure of its intercepted arc NM , so

arc NM = 2 × 90° = 180°

the sum of the arcs in a circle = 360° , then

QN + NM + MQ = 360° , that is

142° + 180° + QM = 360°

322° + QM = 360° ( subtract 322° from both sides )

QM = 38°

4 0
2 years ago
At school athletic events you can buy 3 drinks and 2 hot dogs for $4.80 or you can buy 1 drink and 1 hot dog for $2.00. How much
mariarad [96]
Let the cost of each drink is $x and the cost of each hot dog is $y.
According to the given data, 3 drinks and 2 hot dogs cost $4.80. In equation form, we can write it as:

3x+2y=4.80

1 drink and 1 hot dog costs $2.00. In equation form, we can write it as:

x+y=2
x=2-y

Using this value of x in first equation, we get:


3(2-y)+2y=4.80 \\ &#10;6-3y+2y=4.80 \\ &#10;6-y=4.80 \\ &#10;y=6-4.80 \\ &#10;y= 1.20

Thus the cost of one hot dog is $1.20
6 0
3 years ago
Read 2 more answers
I need help with my test 20 points to smartest answer
inessss [21]

Answer: b

Step-by-step explanation:

8 0
3 years ago
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