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2 years ago

100 POINTS!!!

Mathematics

1 answer:

dmitriy555 [2]2 years ago

5 0

Answer:

Step-by-step explanation:

The slope of the line parallel to the original line is the same. And you don't add x after the slope.

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36 workers I need 1 pen for each worker. For every 3 people who prefer red pens,there are 9 who prefer blue. How many blue pens

Klio2033 [76]

Blue 9 x 3 = 27
red 3 x 3 = 9
27 + 9 = 36
I hope this helps

7 0

3 years ago

Read 2 more answers

There are 8 performers who will present their comedy acts this weekend at a comedy club. One of the performers insists on being

Natalija [7]

Well, the keyword here is One of the performers insist on being the last.

So, the amount of performers that we can arrange freely is 7 performers.

Different ways we can schedule their appearance is :

7 ! = 7 x 6 x 5 x 4 x 3 x 2 x 1

= 5040

hope this helps

5 0

3 years ago

Find the perimeter of the following shapes.

DerKrebs [107]

Answer:

4. (a) = 12 m

(b) = 27 cm

(d) = 18 km

(e) = 10 m

(f) = 36 cm

Step-by-step explanation:

Perimeter is sum the distance round a figure.

if a shape has those, they signify that the shape has two side that are equal

a) 4 + 4 + 2 + 2 = 12. The top part is equal to the bottom part signified by those two lines. And the left is equal to the right .

b) 10 + 10 + 7 = 27

c) 5 + 5 + 8 + 6 = 24

d) 3 + 3 + 6 + 6 = 18

e) 2.5 + 2.5 + 2.5 + 2.5 = 10

f) 12 + 7 + 7 + 5 + 5 = 36

If you need any clarification or more explanation pls do mention in the comment section. i would like to help more.

Hope this helps and if it does pls mark as branliest answer thx.

6 0

3 years ago

The length and width of a rectangle are measured as 55 cm and 49 cm, respectively, with an error in measurement of at most 0.1 c

valentina_108 [34]

Answer:

The maximum error in the calculated area of the rectangle is $10.4 \:cm^2$

Step-by-step explanation:

The area of a rectangle with length $L$ and width $W$ is $A= L\cdot W$ so the differential of <em>A</em> is

$dA=\frac{\partial A}{\partial L} \Delta L+\frac{\partial A}{\partial W} \Delta W$

$\frac{\partial A}{\partial L} = W\\\frac{\partial A}{\partial W}=L$ so

$dA=W\Delta L+L \Delta W$

We know that each error is at most 0.1 cm, we have $|\Delta L|\leq 0.1$ , $|\Delta W|\leq 0.1$ . To find the maximum error in the calculated area of the rectangle we take $\Delta L = 0.1$ , $\Delta W = 0.1$ and $L=55$ , $W=49$ . This gives