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likoan [24]
2 years ago
12

X+x-z; use x=3 & z=4​

Mathematics
1 answer:
nadezda [96]2 years ago
6 0

Answer:

2

Step-by-step explanation:

Order of operations is not as applicable in this situation because we're just dealing with addition and subtraction.  This is a simple case of plugging in values for the given expression.

x = 3

z = 4

So it becomes...

3 + 3 - 4

6 - 4

2

So with the given expression of x + x - z and the given values of x = 3 and z = 4, the expression should sum to: 2

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Find four consecutive integers such that 5 times the fourth diminished by twice the second is 7
Lynna [10]

Answer:

-2, -1, 0, 1

Step-by-step explanation:

Let the 4 numbers be x,x+1, x+2, x+3

Then we have the equation:-

5(x+3)-2(x+1) = 7

5x - 2x + 15 - 2 = 7

3x = - 6

x = -2


so the integers are  -2, -1, 0, 1

7 0
2 years ago
Solve: x2 + 5x - 6= 0<br> A. -1, 6<br> B. 1, -6<br> C. -2, -3<br> D. 1,5
kondor19780726 [428]

Answer:

Assuming that the x2 is x squared, B

Step-by-step explanation:

(1)(1) + 5(1) - 6 = 1 + 5 - 6 = 6 - 6 = 0

(-6)(-6) + 5(-6) - 6 = 36 - 30 - 6 = 6 - 6 = 0

8 0
2 years ago
Read 2 more answers
There are 1,500 students in a school. 65% are girls. How many girls are there in the school?
Reil [10]
1500 x 0.65= Number of girls
=975
3 0
2 years ago
Read 2 more answers
A/-8+15&gt;23 isn't this weird to you guys too
yanalaym [24]
Let's solve your inequality step-by-step.
<span><span><span>
a − 8 </span>+ 15 </span>> <span>23

</span></span>Step 1: Simplify both sides of the inequality.
<span><span><span><span><span>
−1/</span>8</span>a </span>+ 15 </span>> 23
</span>
Step 2: Subtract 15 from both sides.
<span><span><span><span><span><span>
−1/</span>8</span>a </span>+ 15 </span>− 15 </span>> <span>23 − 15 
</span></span><span><span><span><span>
−1/</span>8</span>a </span>> 8 
</span>
Step 3: Multiply both sides by 8/(-1).
<span><span><span>
(<span>8/<span>−1</span></span>) </span>* <span>(<span><span><span>−1/</span>8</span>a</span>) </span></span>> <span><span>(<span>8/<span>−1</span></span>) </span>* <span>(8)
</span></span></span><span>
a < <span>−<span>64

Therefore, the answer is a < -64! I hope this helped! :)</span></span></span>
4 0
3 years ago
The volume V of a prism with base area B and height h is V=Bh. Solve the formula for h. Then use both formulas to find the heigh
GalinKa [24]

Answer:

Height is 5 ft

Step-by-step explanation:

<em><u>The prism is attached.</u></em>

<em><u></u></em>

The volume formula is:

V=Bh

Where

V is volume

B is area of base

h is height of prism

Now, solving for "h", gives us:

V=Bh\\h=\frac{V}{B}

Looking at the prism, it is given:

V = 175

B = 35

Substituting, we get the height:

h=\frac{V}{B}\\h=\frac{175}{35}\\h=5

The height is 5 ft

4 0
3 years ago
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