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kvv77 [185]
3 years ago
9

49 increased by twice a number m

Mathematics
2 answers:
scZoUnD [109]3 years ago
6 0

Answer:

The third one I think

Step-by-step explanation:

Oksana_A [137]3 years ago
3 0

Answer:

B

Step-by-step explanation:

First -> twice m is -> 2m

Then

49 increased so -> 49+2m

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What is the solution to the system of linear equations? <br> {2x+4y=38 <br> 10x+3y=105
natali 33 [55]
This is the concept of simultaneous equations, the question requires us to solve the system of equations given by:
2x+4y=38
10x+3y=105
from the top equation;
2x=38-4y
dividing through by 2 we get:
x=19-2y......(*)
substituting (*) in the second equation we get:
10x+3y=105
10(19-2y)+3y=105
190-20y+3y=105
collecting like terms we get:
-20y+3y=105-190
-17y=-85
dividing both sides by -17 we get:
(-17y)/(-17)=(-85)/(-17)
y=5
thus
x=19-2y
x=19-2*5
x=19-10
x=9
thus
x=9 and y=5
8 0
3 years ago
Can you solve 21-27? Step by step
Scorpion4ik [409]

Answer:

6

21-27=6

basic math problem

3 0
3 years ago
Plz help me thanks soo much and explain too :)
Yanka [14]

Answer:

f(0) = 14

Step-by-step explanation:

Given

f(x) = \left \{ {{|x - 8| + 6 \ x

Required

Find f(0)

From the piecewise function, we have the following as values of f(x):

f(x) = |x - 8| + 6

If x < 4

f(x) = 15

If x \ge 4\\

f(0) implies that x =0 and 0

So, we make use of the first function, which is:

f(x) = |x - 8| + 6

Substitute 0 for x in f(x) = |x - 8| + 6

f(0) = |0 - 8| + 6

f(0) = |- 8| + 6

|-8| = 8

So, the expression becomes

f(0) = 8 + 6

f(0) = 14

<em></em>

<em>Hence, the value of f(0) is 14</em>

7 0
3 years ago
Algebra help (picture is included)
SVETLANKA909090 [29]
\boxed {\boxed {\text {Volume = base area x height}}}

Base Area = 2 x 2 = 4 cm²

Volume = 4 x 3.5 = 14 cm³

Answer: 14 cm
³
3 0
4 years ago
Write the sentence as an inequality <br><br> The sum of twice a number n and 8 is at most 25
Marta_Voda [28]

2n  + 8  \leqslant 25
5 0
4 years ago
Read 2 more answers
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