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Rom4ik [11]
3 years ago
8

(5x2 – 6x + 10) + (x2 + 8x – 4)

Mathematics
1 answer:
ELEN [110]3 years ago
7 0

Answer:

There an a mistake

Step-by-step explanation:

(5x2 – 6x + 10) + (x2 + 8x – 4)

There can't be x2  

and 5x2 is that 5*2 or 5*x2

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Calculate the unit price ($/g) of a 20g jar of sugar. The cost of a jar is $5.00.
BlackZzzverrR [31]

Answer:

$0.25/g

Step-by-step explanation:

20g --- $5.00

1g --- \frac{1}{20} × $5.00 = $0.25

7 0
3 years ago
the ratio of teacher to learners in a school in oluno is 1:35 .If there are 30 teachers in the school , how many learners are th
miskamm [114]

Answer:

1050

Step-by-step explanation:

There are 30 teachers.

1:35

Multiply each part of the ratio by 30.

1×30:35×30

30:1050

There are 1050 learners.

7 0
3 years ago
Can somebody help me first answer gets brainiest pls help
damaskus [11]
Answer: I believe the answer is 216 Square units.

Explanation:
1. Cut the shape in half. Now you have a square and a triangular shape.

2. The square is 12 inches on all four sides. 12 • 12 = 144. 144 is the area for the square.

3. Now, the triangular shape. The bottom of the shape is 12 because we divided the total 24 in half with the square. The left side (the longer side) of the shape is also 12 because it is parallel to the square with 12 as the same measurement. The right side (the shorter side) of the shape is 6 because it's half the size of the square’s length. The length of the top of the shape is also 12 because it is half of the square’s width of 24.

4. Now that we have found the measurements of the triangular shape, we can multiply (length • width) and add. The square is 144 units (12•12=144) and the triangular shape is 72 (12•6=72). 144 + 72= 216.

I hope this helps! :)
6 0
3 years ago
Using the equality of surds theorem, solve this question <br> In the question solve for a and b
frosja888 [35]

Step-by-step explanation:

76.72135955 is the answer I think So if the answer is correct then plz mark me as brainliest

5 0
3 years ago
Reduce to simplest form. -\dfrac{7}{8}-\left(-\dfrac{5}{6}\right)=− 8 7 ​ −(− 6 5 ​ )=minus, start fraction, 7, divided by, 8, e
slavikrds [6]

Answer:

-\dfrac{1}{24}

Step-by-step explanation:

We are required to reduce the expression below to its simplest form

-\dfrac{7}{8}-\left(-\dfrac{5}{6}\right)

<u>STEP 1: </u>Remove the brackets

Take note that the product of same sign(- and -) will give you the addition sign.

-\dfrac{7}{8}-\left(-\dfrac{5}{6}\right)=-\dfrac{7}{8}+\dfrac{5}{6}

<u>STEP 2:</u> Find the Lowest Common Multiple of 8 and 6

Lowest Common Multiple of 8 and 6 is 24

<u>STEP 3:</u> Use the LCM to Simplify

-\dfrac{7}{8}+\dfrac{5}{6}=\dfrac{(-3X7)+(5X4)}{24}\\=\dfrac{-21+20}{24}\\=\dfrac{-1}{24}\\=-\dfrac{1}{24}

Therefore:

-\dfrac{7}{8}-\left(-\dfrac{5}{6}\right)=-\dfrac{1}{24}

7 0
3 years ago
Read 2 more answers
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