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stiv31 [10]
3 years ago
8

Joe answered 18 questions correct on his science test the test had 45 questions what percent did joe answer correctly.

Mathematics
1 answer:
SCORPION-xisa [38]3 years ago
4 0

Answer:

obly 4% right

Step-by-step explanation:

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Graph the system of equations.<br> 2x - y=4<br> 1 x - y = -2
dybincka [34]

PPLMway will help

Step-by-step explanation:

4 0
3 years ago
Find the values of the variables for which ABCD must be a parallelogram
sleet_krkn [62]

Answer:

y=5 and x=4

Step-by-step explanation:

So,the diagonals of a parallelogram bisect each other..

therefore,we have our two eqn

4x-2=3y-1------------(i)

3y-3=3x

or,y-1=x----------(ii)

Now,simply substitute value of x in eqn (i)

4(y-1)-2=3y-1

or,4y-4-2=3y-1

or,y=5

Again,substitute y=5 in eqn (ii)

5-1=x

therefore,

x=5

Hope it helps you!!!

4 0
3 years ago
Help me to solve thisssss​
m_a_m_a [10]

Answer:

(a + 3)

Step-by-step explanation:

a³ - 9a = a(a² - 9) = a(a + 3)(a - 3)

a² + a - 6 = (a - 2)(a + 3)

a⁴ + 27a = a(a³ + 27) = a(a - 3)(a² + 6a + 9) = a(a - 3)(a + 3)(a + 3)

HCF = (a + 3)

Hope it helps.

;)

<3

7 0
2 years ago
Organic whole wheat flour sells in bags weighing 3.874 pounds.how much flour is this when rounded to the nearest tenth?
ELEN [110]

Answer:

3.9

Step-by-step explanation:

8 is rounded up because of 7

5 0
3 years ago
Read 2 more answers
Help pls!! I’m bad at geometry lol
zavuch27 [327]

Answer:

The perimeter of a shape is the length around it.

Step-by-step explanation:

We will be using the x and y values and add them together to find the total perimeter.

To do this, let's find all the values of the 2 axis:

(2 to 4) = 2

(1 to 3) = 2

(4 to 10) = 6

(3 to 1) = 2

(10 to 12) = 2

(1 to 8) = 7

(12 to 2) = 10

(8 to 1) = 7

We now add these values together which gives us <em><u>38</u></em>. Don't forget to add the units afterwards (cm, m and so forth).

3 0
2 years ago
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