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Simora [160]
3 years ago
7

For a school project, Sarah plans to build a scale model of an Egyptian pyramid. She will be using a scale of: 1 cm = 5 meters.

Mathematics
2 answers:
vovangra [49]3 years ago
8 0

B .28cm

Step-by-step explanation:

if 1cm=5m

then,140=×

1cm=5cm

cross multiply to get;

140÷5=28(cm)

=28cm

Vinvika [58]3 years ago
3 0

Answer:

B

Step-by-step explanation:

you divide 140 by 5 so 28 is the answer

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What’s 5 4/9 as an improper fraction
strojnjashka [21]

Answer: 49/9

Step-by-step explanation:

9x5=45

45+4=49

8 0
3 years ago
Please help asap!!!!!!!!!!!!!!!!
vovangra [49]
Im not sure but i think its A because you have no value to multiply 3 so you just multiply it by itself.It would be a negative because you cant divide 3 by 2.so it would be A.-x9y2.
i hope i was correct and helped if not you can go ahead and delete my answer:)
6 0
3 years ago
PLEASE ANSWER RIGHT AWAY
BlackZzzverrR [31]

Answer:

A- control group

Since group A is tested under normal condition, it is the control group. Control group is separated from other groups so that the independent variable being tested cannot influence the result.

8 0
3 years ago
The slope of a line passing through H (-2, 5) is -3/4. Which ordered pair represents a point on this line?
oksano4ka [1.4K]
Answer:
(6,-1)

Explanation:
The slope of the line can be calculated using the following formula:
slope = \frac{y2-y1}{x2-x1}

We are given that:
slope = -0.75
point (x1,y1) is (-2,5)

We will use each of the given points to calculate the corresponding slope, then compare the calculated slope with the given one.

For point (6,-1):
slope = \frac{-1-5}{6--2} = -0.75 ........> accepted choice

For point (2,8):
slope = \frac{8-5}{2--2} = 0.75 ........> rejected choice

For point (-5,1):
slope = \frac{1-5}{-5--2} = 4/3 ........> rejected choice

For point (1,1):
slope = \frac{1-5}{1--2} = -4/3 ........> rejected choice

Therefore, the first option is the only correct one.

Hope this helps :)
5 0
3 years ago
A) Complete the table of values for y = 6 - 2x
GREYUIT [131]

Step-by-step explanation:

the answer as shown in the photo

3 0
2 years ago
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