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Alex17521 [72]
3 years ago
15

What is 90.125 written in expanded form?

Mathematics
1 answer:
Lorico [155]3 years ago
8 0

Answer:

90+0.1+0.02+0.005

Step-by-step explanation:

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When Tomas simplified the expression -2.6 + (-5.4), he got 2.8. what mistake did Tomas likely make?
vladimir2022 [97]

Tomas used incorrectly the rule of signs, the expression should be simplified as follows:

-2.6 + (-5.4)

-2.6 -5.4 = 8

<h3></h3><h3>What mistake did Tomas likely make?</h3>

Here Tomas wants to perform an addition between two numbers:

-2.6 + (-5.4)

And the outcome that Tomas gets is:

-2.6 + (-5.4) = 2.8

Here his mistake seems to bee that he thought the second number was a positive number, and he solved the operation:

-2.6 + 5.4

So, he used wrong the rule of signs.

Remember that the rule of signs says that:

(-)*(+) = (+)*(-) = (-)

Using that, we can rewrite the original expression:

-2.6 + (-5.4)

to:

-2.6 - 5.4

Solving that, we get:

-2.6 - 5.4 = -8

Which is the outcome that Tomas would have gotten if he had used correctly the rule of signs.

If you want to learn more about the rule of signs:

brainly.com/question/13333620

#SPJ1

5 0
2 years ago
Someone please help me answer this
Brrunno [24]
B= 30
a2+b2=c2
72^2+b^2 = 78^2
5184+b^2 = 6084
b2 = 900
b = 30
8 0
2 years ago
Read 2 more answers
Can you helo me with number 8?​
kow [346]

Answer:

all work is shown and pictured

8 0
3 years ago
Read 2 more answers
The graph of y=f(x) is a transformation of the graph y=h(x) write a formula for the function f in terms of function h
Marat540 [252]

Answer:

y=h(x)-8

Step-by-step explanation:

it shifted down 8 units

7 0
3 years ago
Can you please help?
babymother [125]

Answer:

15

Step-by-step explanation:

Equilateral triangles have equal sides.

Two sides are equal, so we can put up an equation to solve for x.

6x+3=10x-5

6x-10x=-5-3

-4x=-8

4x=8

4x/4=8/4

x=2

Let's solve for one side of the triangle.

10(2)-5

20-5

=15

5 0
3 years ago
Read 2 more answers
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