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nignag [31]
3 years ago
6

0.9x + 2.3x = -6.4I don't understand this lol​

Mathematics
2 answers:
faltersainse [42]3 years ago
5 0

Answer: Solving for x

Step-by-step explanation:

First add the known variables. This gets you 3.2

Next, since you know that multiplication is used to find 6.4 we take the inverse. 6.4/3.2

To get 2.

And finally, check you work.Fill in the x value and substitute for x. .9(2) + 2.3(2) to make sure your division is correct.

Hope this helps!!

marissa [1.9K]3 years ago
3 0

Answer:

-2

Step-by-step explanation:

0.9x + 2.3x = -6.4

3.2x = -6.4

x = -2

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Suppose that MNO is isosceles with base NM. Suppose also that =m∠N+4x7° and =m∠M+2x29°. Find the degree measure of each angle in
chubhunter [2.5K]

Answer:

m∠N = 51°

m∠M = 31°

m∠O = 98°

Step-by-step explanation:

It is given that ΔMNO is an isosceles triangle with base NM.

m∠N = (4x + 7)° and m∠M = (2x + 29)°

By the property of an isosceles triangle,

Two legs of an isosceles triangle are equal in measure.

ON ≅ OM

And angles opposite to these equal sides measure the same.

m∠N = m∠M

(4x + 7) = (2x + 29)

4x - 2x = 29 - 7

2x = 22

x = 11

m∠N = (4x + 7)° = 51°

m∠M = (2x + 9)° = 31°

m∠O = 180° - (m∠N + m∠M)

         = 180° - (51° + 31°)

         = 180° - 82°

         = 98°

8 0
3 years ago
(2,3), (-1,5), (0,-1), (3,5), (5,0) <br> What’s the domain?
Liono4ka [1.6K]

let's recall that the domain of a set is always the list of all x-coordinates in each pair.

\bf \stackrel{\large Domain\qquad \{2,-1,0,3,5\}}{(\stackrel{\downarrow }{2}~~,~~3),(\stackrel{\downarrow }{-1}~~,~~5),(\stackrel{\downarrow }{0}~~,~~-1),(\stackrel{\downarrow }{3}~~,~~5),(\stackrel{\downarrow }{5}~~,~~0)}

3 0
4 years ago
Mrs. Jackson bought 2/3 pound of bananas at $.51 per pound, 1 1/4 pounds of peaches for $2.00 per pound, 1/2 gallon of orange ju
Aleks04 [339]

Answer:

$11.47

Step-by-step explanation:

In order to calculate Mrs.Jackson's total we first need to turn the fractions into decimals by simply dividing the numerator by the denominators like so...

2/3 = 0.66

1 1/4 = 1.25

1/2 = 0.50

Now we need to multiply each products cost by the amount they bought in decimal form, then finally add them all together...

($0.51 * 0.66) + ($2 * 1.25) + ($4.50 * 0.50) + ($3.19 * 2) = x

0.34 + 2.5 + 2.25 + 6.38 = x

$11.47 = x

Finally, we can see that Mrs. Jackson's total was $11.47

6 0
3 years ago
Read 2 more answers
What is the value of n 9 times 27+2 times31-28
Kay [80]
9•27+2•31-28= ? Is that what you are asking?
8 0
3 years ago
Are my answers correct? if not what should they be?
Tanzania [10]

Answer:

What is the question for the exercise?

Step-by-step explanation:

Tell me, and I might help u

6 0
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