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3 years ago

Pleaseee help!!!!!!!!!

Mathematics

1 answer:

NemiM [27]3 years ago

5 0

Answer:

Step-by-step explanation:

Got it right

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C=2m+d solve for m plz

Pavel [41]

Isolate the m, go backwards for PEMDAS.

C = 2m + d
C (-d) = 2m + d (-d)
C - d = 2m
(C - d)/2 = 2m/2
m = (C - d)/2

m = (C - d)/2 is your answer

hope this helps

7 0

3 years ago

Tripp and Rico are two dogs. Tripp weighs exactly 35 pounds more than Rico. Together, they weigh exactly 49 pounds. How much doe

babymother [125]

Call the weights of the two dogs $t$ and $r$ .

We know that Tripp weights 35lbs more than Rico, or:
$t=r+35$

We also know that the total weight of both dogs is 49lbs.:
$t+r=49$

Now, by substitution:
$(r+35)+r=49$
$2r+35=49$
$2r+35-35=49-35$
$2r=14$
$r=\frac{14}{2}$
$r=7$
Rico weighs 7lbs.

Then:
$t=r+35$
$t=7+35$
$t=42$
Tripp weighs 42lbs.

To check our work:
$t+r=49$
$42+7=49$
$49=49$ CHECK!

5 0

2 years ago

I Is x= -2 a solution to: a. 7X = -1 b. X* 14 = -28

raketka [301]

Answer:

Step-by-step explanation:

-2 x 14 = -28

b is the answer

8 0

2 years ago

Simplify 4 + (-3) - 2 times (-6)

iVinArrow [24]

Step-by-step explanation:

$= 4 + ( - 3) - 2 ( - 6)$

here ( + ) × ( - ) = ( - )

$= 4 - 3 + 12$

$= 4 + 12 - 3$

$= 16 - 3$

$= 13$

8 0

1 year ago

Read 2 more answers

Problem page isabel runs 7 miles in 50 minutes. at the same rate, how many miles would she run in 75 minutes?

sammy [17]

if isabel runs 7 miles in 50 minutes, then you know she runs 7/50 miles in one minute, right? So multiply that by the number of minutes she did run, and you can find the distance:

 7
------ x 75 =
50

525
------
50

 If you plug that fraction into your calculator, you get 10.5, so 10 and a half miles.

8 0

2 years ago