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antoniya [11.8K]
3 years ago
5

What is the value of the expression? 30-5×4+2

Mathematics
2 answers:
belka [17]3 years ago
7 0
30-5×4+2
30-20+2
10+2=12
gogolik [260]3 years ago
6 0
30-5x4+2
30-20+2
10+2
12
You have to remember that multiplication and division come before addition and subtraction. Left to right.
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2<br> (<br> 3<br> r<br> +<br> 4<br> )<br> −<br> 3<br> (<br> r<br> +<br> 1<br> )<br> =<br> 11
Slav-nsk [51]

Answer:

Kindly rewrite the question clearly.

8 0
2 years ago
What is RS? Round to the nearest tenth. I’m really struggling with this one.
tatiyna

Answer:

The RS is 6.48 in 739, 1500, 65

Hope this helps!

5 0
3 years ago
Which statements are true about exponential decay functions? Check all that apply. The domain is all real numbers. As the input
lorasvet [3.4K]
<h2>Answer:</h2>

The correct options are:

  • The domain is all real numbers.
  • The base must be less than 1 and greater than 0.
  • The function has a constant multiplicative rate of change.
<h2>Step-by-step explanation:</h2>

We know that the exponential function is given by:

                f(x)=ab^x

where a>0 and b are constants.

Also, it represents a growth function if b>1

and a decay function if 0<b<1

where b is the base.

  • x belongs to whole of the real numbers( since the exponential function is well defined for all the real values of x.

Hence, the domain of the function is all the real numbers )

  • Also, the graph of a decay function decreases continuously i.e. with the increasing input value the output value decreases.
  • The exponential decay function always have a constant multiplicative rate of change i.e. b.
8 0
2 years ago
Read 2 more answers
Please answer this correctly
Lostsunrise [7]

Answer:

50

Step-by-step explanation:

The probability of it landing on yellow or blue is 5 out of 7 total possibilities.

5/7

Multiply by 70.

5/7 × 70

350/7

= 50

7 0
3 years ago
Read 2 more answers
Find x, y, and z<br><br> x = 39<br> x = 29<br> y = 61<br> y = 29<br> z = 61<br> z = 29
nikdorinn [45]

answer:

x = 29

y = 29

z = 61

step-by-step explanation:

all angles in a triangle must equal 180 degrees.

we were already given the angle degree of 61 degrees so we must include that in our formula to determine the degree of y.

the line in the middle already gives us two more angles because they both are 90 degrees for being a perfect quarter turn.

so to figure out y,

we must add 61+90 and then subtract the sum of that from 180.

so, 61+90 = 150 and 180-151 = 29

therefore,

we can conclude that y = 29

now, to determine the degrees of x and z we do the same thing.

we already know one angle equals 90 degrees.

180-90 = 90

that concludes that x and z must have a sum of 90.

if we use our choices,

39+61 = 100 (no)

39+29 = 68 (no)

29+61 = 90 (CORRECT)

29+29 = 28 (no)

<em>therefore, x = 29 and z = 61</em>

<em></em>

<em>so, in total :</em>

<em>x = 29</em>

<em>y = 29</em>

<em>z = 61</em>

<em></em>

<em>hope this helps :)   </em>

<em>-audrey <3 </em>

5 0
2 years ago
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