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Iteru [2.4K]
3 years ago
15

Complete the equation that is related to the given equation. t – 1.8 = –2.3 t = –2.3 +

Mathematics
1 answer:
SVETLANKA909090 [29]3 years ago
5 0
I guess that means adding 1.8 to both sides so it's :
t = -2.3 + 1.8
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How can you use the properties of operations to evaluate<br> this expression?<br> 18 + 4(28)
pentagon [3]

Answer:

first open the bracket by multiplying 28 by 4 which is equal to 112, then add it to 18 which be equal to 130 which is the final answer

5 0
3 years ago
Read 2 more answers
-4 plus what number is 04
o-na [289]

Answer:

Set up an equation

-4+x=4 Add 4 to each side

x=8

So

-4 plus eight is 4

5 0
3 years ago
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Please help! I will give you brainliest answer if you answer first and correctly, plus you have to explain!
guapka [62]
Deacon Middle School
5x = number of boys
4x = number of girls
where x is some unknown number for now

(number of boys)+(number of girls) = 270 students total
5x+4x = 270
9x = 270
x = 270/9
x = 30

Since x = 30, this means
number of girls = 4x
number of girls = 4*30
number of girls = 120

There are 120 girls at Deacon Middle School

-----------------------------------------

Similarly, for Meadow Middle school
number of boys = 4y
number of girls = 5y
for some number y

(number of boys) + (number of girls) = 180 students total
4y+5y = 180
9y = 180
y = 180/9
y = 20

making,
number of girls = 5*y
number of girls = 5*20
number of girls = 100

so there are 100 girls at Meadow Middle School

-----------------------------------------

In summary so far, there are...
120 girls at Deacon Middle School
100 girls at Meadow Middle School
In total 120+100 = 220 girls from both schools

This is out of 270+180 = 450 students total

Divide the two values (220 and 450) to get
220/450 = 22/45

The final answer is 22/45
It cannot be reduced further as there are no common factors (other than 1) between 22 and 45

7 0
3 years ago
Find the area of the shaded part of the figure
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39.13 units²

Step-by-step explanation:

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Radius = ⅓(5sqrt(3)) = 5sqrt(3)/3

Triangle - circle

[½(10)(10)sin60] - [(3.14)(5sqrt(3)/3)²]

43.30127019 - 4.166667

39.13460352 unitsw

5 0
3 years ago
What is a function please help
maksim [4K]

Answer:

A function has no x values repeated twice.

6 0
3 years ago
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