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Lubov Fominskaja [6]
3 years ago
12

Rhett is showing his work in simplifying (−7.9 + 5.2) − 1.4.

Mathematics
1 answer:
Jobisdone [24]3 years ago
4 0
It should be:
-2.7-1.4
-4.1
You might be interested in
An expression is shown below:
seraphim [82]
3(m + 5 + 9m)

A.
(1) 3m + 15 + 27m
(2) 3(10m + 5)

B. 3(m + 5 + 9m)....distributive property
     (3 * m) + (3 * 5) + (3 * 9m) =
    3m +  15 + 27m

C. 3(m + 5 + 9m) = 3(10m + 5)......m = 1
     3(1 + 5 + 9(1) = 3(10(1) + 5)
     3(1 + 5 + 9) = 3(10 + 5)
     3(15) = 3(15)
     45 = 45

7 0
3 years ago
What is the minimum value of the cube root parent function on -8≤x≤8?
podryga [215]

Minimum means smallest, so what is the smallest number possible for this set?

-8

---

hope it helps

6 0
3 years ago
Given ​ f(x)=x2+14x+40 ​.<br><br><br> Enter the quadratic function in vertex form in the box.
sammy [17]
Please indicate exponentiation using " ^ "   Thanks.

f(x)=x2+14x+40 => <span>f(x)=x^2+14x+40

Next, complete the square:

</span>f(x)=x^2+14x+ 49 - 49 +40 = (x+7)^2 - 9 

Write this in the form y = (x+7)^2 - 9  or y + 9 = (x+7)^2
Comparing this result to y = a(x-h)^2 + k, we see that h = -7 and k=-9

In vertex form, the equation is y + 9 = (x+7)^2 and the vertex is at (-7, -9).
8 0
4 years ago
Work out the area of a rectangle with base, b = 32mm and perimeter, P = 82mm.​
Amanda [17]
Perimeter = 2base + 2base
82 - 2(32) = 18 : 2 = 9
area = 9*32 = 288mm^2
7 0
2 years ago
Read 2 more answers
2. True False 6(10 + 5) - 6.10 + 6.5<br><img src="https://tex.z-dn.net/?f=10%20%2B%205%20-%206.10%20%2B%206.5%20%5Ctimes%206" id
Ostrovityanka [42]

Answer:

<h2>47.9</h2>

Step-by-step explanation:

10 + 5 - 6.10 + 6.5 \times 6 \\

Follow PEDMAS

10 + 5 - 6.10 + 39

15 - 6.10 + 39 \\ 15 + 39 - 6.10 \\ 54 - 6.10 \\  = 47.9

8 0
3 years ago
Read 2 more answers
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