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bija089 [108]
2 years ago
9

SOMEONE PLEASE HELP ME

Mathematics
2 answers:
madam [21]2 years ago
8 0

Answer:

+2.5

Step-by-step explanation:

hope this helps branliest plzz

Lina20 [59]2 years ago
7 0

Answer:I’m pretty sure the answer is adding 2.5

Step-by-step explanation:

10.5+2.5=15.5 etc. Hope that helps!

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Im in need of a big brain
stiv31 [10]

Answer:

x = 34

Step-by-step explanation:

If it is bisected, that means the angles are equal <ABD = < CBD

The triangles are equal by SAS

That means AD = CD

2x+30 = 3x-4

subtract 2x from each side

2x+30 -2x = 3x-4 -2x

30 = x-4

Add 4 to each side

3x+4 = x-4+4

34 =x

8 0
2 years ago
\sqrt{2x^2+x+1}+\sqrt{x^2-x+1}=3x
djyliett [7]
X=1


Mark brainliest please


Hope this helps you
7 0
2 years ago
9 Marty conducted a survey in his first period class to determine student preferences for music. Out of 25 students, 14 like hip
S_A_V [24]

Answer:

C

Step-by-step explanation:

14/25=0.56 0.56x300=168

6 0
3 years ago
Your cell phone plan charges a base charge each month plus a charge per daytime minute of usage and December used 510 daytime mi
algol13

Answer:

In February, 423 daytime minutes is used

Step-by-step explanation:

Let the base plan charges be x

And cost per daytime minute be y

In December,

x  + 510y =  92.25------------------(1)

In January,

x + 397y = 77.56---------------------(2)

Subtracting eq(2) from eq(1)

x  + 510y =  92.25

x + 397y = 77.56

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

0  + 113y = 14.69

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

y = \frac{14.69}{113}

y =  0.13----------------------------------(3)

Substituting (3) in (1)

x  + 510(0.13) =  92.25

x + 66.3 = 92.25

x = 92.25 - 66.3

x = 25.95

So In February

base plan  + (daytime minute)(cost per daytime minute) = 80.9

25.95 + (daytime minute)(0.13) = 80.9

(daytime minute)(0.13) = 80.9 - 25.95

(daytime minute)(0.13) = 54.95

(daytime minute) =\frac{54.95}{0.13}

daytime minutes = 422.69

daytime minute  \approx 423

3 0
3 years ago
What number is 7/13 of 143?<br><br> I have no clueeee. Pls helppp.
DerKrebs [107]

Answer:77

Just multiply the numbers

7/13 * 143

= (7*143)/13

= 1001/13

= 77

So the answer is 77

3 0
3 years ago
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